专题：jQuery的辅助工具属性和方法
<p style="margin-top: 1.2em; margin-bottom: 1.3em; border: 0px; outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;">本文来自：http://www.365mini.com/page/tag/jquery-utilities</p><p style="margin-top: 1.2em; margin-bottom: 1.3em; border: 0px; outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;"><br></p><p style="margin-top: 1.2em; margin-bottom: 1.3em; border: 0px; outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;">本文列出了jQuery中几乎所有的辅助工具方法。使用这些方法可以非常简单方便地处理常见的JS代码逻辑。</p><p style="margin-top: 1.2em; margin-bottom: 1.3em; border: 0px; outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;">例如：</p><ul style="margin: 1.5em 2.2em; border: 0px; outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;"><li style="margin-bottom: 0.75em; margin-left: 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">检测用户浏览器的指定特性。</li><li style="margin-bottom: 0.75em; margin-left: 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">判断指定变量的类型。</li><li style="margin-bottom: 0.75em; margin-left: 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">操作指定DOM元素的函数队列。</li><li style="margin-bottom: 0.75em; margin-left: 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">操作指定DOM元素上的任意附加数据。</li><li style="margin-bottom: 0.75em; margin-left: 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">去除字符串两侧的连续空白字符、解析JSON字符串等。</li></ul><blockquote style="margin-top: 10px; margin-bottom: 5px; padding: 10px; border: 1px dotted rgb(119, 136, 85); outline: 0px; font-size: 13px; vertical-align: baseline; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: none 0px 0px repeat scroll rgb(245, 245, 245);"><span style="border: 0px; outline: 0px; vertical-align: baseline; color: rgb(204, 0, 51); background: transparent;">版本说明</span>：如果"版本"列的版本号带有删除线(例如：<del style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">1.8</del>)，表示从该版本开始，此方法<strong style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">已过时</strong>。如果版本号带有删除线，并且为红色(例如：<del class="removed" style="border: 0px; outline: 0px; vertical-align: baseline; color: rgb(204, 0, 51); background: transparent;">1.9</del>)，表示从该版本开始，此方法已<strong style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">被移除</strong>。</blockquote><h3 style="margin-top: 1em; margin-bottom: 1em; border-width: 0px 0px 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); outline: 0px; font-size: 20px; vertical-align: baseline; font-weight: normal; font-stretch: normal; line-height: 1.5; font-family: "Courier New", SimSun; color: rgb(0, 0, 204); background: transparent;">jQuery对象的辅助工具属性和方法</h3><table data-sort-type="orderbyasc" data-sort="sortDisabled" style="margin-top: 1.5em; margin-bottom: 1.5em; border: 1px solid rgb(128, 128, 128); outline: 0px; font-size: 13px; vertical-align: baseline; border-spacing: 0px; overflow-x: auto; color: rgb(51, 51, 51); font-family: "Courier New", 宋体, "Times New Roman", serif; line-height: 19.5px; background: transparent;"><tbody style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><tr class="firstRow" style="border: 0px; outline: 0px; vertical-align: baseline; background: rgb(238, 238, 238);"><th style="padding: 5px; border-width: 1px; border-style: solid; border-color: rgb(128, 128, 128) rgb(128, 128, 128) rgb(132, 132, 132); outline: 0px; vertical-align: top; white-space: nowrap; background: transparent;">方法</th><th style="padding: 5px; border-width: 1px; border-style: solid; border-color: rgb(128, 128, 128) rgb(128, 128, 128) rgb(132, 132, 132); outline: 0px; vertical-align: top; white-space: nowrap; background: transparent;">版本</th><th style="padding: 5px; border-width: 1px; border-style: solid; border-color: rgb(128, 128, 128) rgb(128, 128, 128) rgb(132, 132, 132); outline: 0px; vertical-align: top; white-space: nowrap; background: transparent;">描述</th></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td colspan="3" style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><span class="blue" style="border: 0px; outline: 0px; vertical-align: baseline; color: blue; background: transparent;">浏览器检测属性——用于检测浏览器的特性和bug信息</span></td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_boxmodel.htm" target="_blank" title="jQuery.boxModel 属性详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.boxModel</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0~<del style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">1.3</del>~<del class="removed" style="border: 0px; outline: 0px; vertical-align: baseline; color: rgb(204, 0, 51); background: transparent;">1.8</del></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">检测浏览器是否使用标准盒模型渲染当前页面。请使用jQuery.support.boxModel替代。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_browser.htm" target="_blank" title="jQuery.browser 属性详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.browser</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0~<del style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;">1.3</del>~<del class="removed" style="border: 0px; outline: 0px; vertical-align: baseline; color: rgb(204, 0, 51); background: transparent;">1.9</del></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">以对象形式返回用户浏览器的相关信息。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_support.htm" target="_blank" title="jQuery.support 属性详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.support</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">以对象形式返回用户浏览器的特性或bug信息。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td colspan="3" style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><span class="blue" style="border: 0px; outline: 0px; vertical-align: baseline; color: blue; background: transparent;">遍历方法——用于遍历数组元素或对象属性</span></td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_each.htm" target="_blank" title="全局jQuery.each() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.each()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">遍历对象属性或数组元素，并执行指定的回调函数。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_map.htm" target="_blank" title="全局jQuery.map() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.map()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">遍历对象属性或数组元素，执行指定的回调函数，并返回以函数的返回值组成的结果数组。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_grep.htm" target="_blank" title="jQuery.grep() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.grep()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">遍历对象属性或数组元素，执行指定的过滤函数，并返回过滤后的结果数组。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-each.htm" target="_blank" title="jQuery.each() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">each()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">遍历当前jQuery对象匹配的所有DOM元素，并执行指定的回调函数。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-map.htm" target="_blank" title="jQuery.map() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">map()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">遍历当前jQuery对象匹配的所有DOM元素，执行指定的回调函数，并返回以函数的返回值组成的结果数组。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td colspan="3" style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><span class="blue" style="border: 0px; outline: 0px; vertical-align: baseline; color: blue; background: transparent;">附加数据、函数队列操作方法</span></td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-data.htm" target="_blank" title="jQuery.data() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">data()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">获取或设置匹配元素上的指定附加数据。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-removedata.htm" target="_blank" title="jQuery.removeData() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">removeData()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">删除匹配元素上指定的附加数据。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-queue.htm" target="_blank" title="jQuery.queue() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">queue()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">获取或设置匹配元素上的指定函数队列。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-dequeue.htm" target="_blank" title="jQuery.dequeue() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">dequeue()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">移除每个匹配元素的指定队列中的第一个函数，并执行被移除的函数</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery-clearqueue.htm" target="_blank" title="jQuery.clearQueue() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">clearQueue()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">清空匹配元素上的指定函数队列。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td colspan="3" style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><span class="blue" style="border: 0px; outline: 0px; vertical-align: baseline; color: blue; background: transparent;">扩展方法——用于扩展全局jQuery对象或jQuery实例对象的属性和方法</span></td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_extend.htm" target="_blank" title="jQuery.extend() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.extend()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">扩展全局jQuery对象的属性和方法。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_fn_extend.htm" target="_blank" title="jQuery.fn.extend() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.fn.extend()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">扩展jQuery原型对象的属性和方法，以便于实例对象使用。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td colspan="3" style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><span class="blue" style="border: 0px; outline: 0px; vertical-align: baseline; color: blue; background: transparent;">遍历方法——用于遍历数组元素或对象属性</span></td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_contains.htm" target="_blank" title="jQuery.contains() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.contains()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定元素内是否包含另一个元素。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_globaleval.htm" target="_blank" title="jQuery.globalEval() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.globalEval()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">全局性地执行一段JavaScript代码。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_inarray.htm" target="_blank" title="jQuery.inArray() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.inArray()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">在数组中搜索指定的值，并返回其索引值。如果数组中不存在该值，则返回 -1。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isarray.htm" target="_blank" title="jQuery.isArray() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isArray()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个数组。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isemptyobject.htm" target="_blank" title="jQuery.isEmptyObject() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isEmptyObject()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个空对象。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isplainobject.htm" target="_blank" title="jQuery.isPlainObject() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isPlainObject()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个纯粹的对象。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isfunction.htm" target="_blank" title="jQuery.isFunction() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isFunction()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个函数。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isnumeric.htm" target="_blank" title="jQuery.isNumeric() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isNumeric()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.7</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个数字值。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_iswindow.htm" target="_blank" title="jQuery.isWindow() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isWindow()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断指定参数是否是一个窗口。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_isxmldoc.htm" target="_blank" title="jQuery.isXMLDoc() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.isXMLDoc()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">判断一个DOM节点是否位于XML文档中，或者其本身就是XML文档。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_makearray.htm" target="_blank" title="jQuery.makeArray() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.makeArray()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">将一个类数组对象转换为真正的数组对象。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_noop.htm" target="_blank" title="jQuery.noop() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.noop()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">一个空函数，它什么也不做。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_now.htm" target="_blank" title="jQuery.now() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.now()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">返回当前时间距1970年1月1日午夜所经过的毫秒数。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_parsehtml.htm" target="_blank" title="jQuery.parseHTML() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.parseHTML()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.2</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">将HTML字符串解析为对应的DOM元素数组。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_parsejson.htm" target="_blank" title="jQuery.parseJSON() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.parseJSON()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4.1</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">将格式完好的JSON字符串转为与之对应的JavaScript对象。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_parsexml.htm" target="_blank" title="jQuery.parseXML() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.parseXML()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.5</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">将字符串解析为对应的XML文档。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_trim.htm" target="_blank" title="jQuery.trim() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.trim()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.0</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">去除字符串两端的空白字符。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_type.htm" target="_blank" title="jQuery.type() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.type()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.4.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">确定JavaScript内置对象的类型，并返回小写形式的类型名称。</td></tr><tr style="border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;"><a href="http://www.365mini.com/page/jquery_unique.htm" target="_blank" title="jQuery.unique() 函数详解" style="color: rgb(102, 0, 153); text-decoration: none;">jQuery.unique()</a></td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">1.1.3</td><td style="padding: 5px; border-color: rgb(128, 128, 128); outline: 0px; vertical-align: top; background: transparent;">根据元素在文档中出现的先后顺序对DOM元素数组进行排序，并移除重复的元素。<br><br></td></tr></tbody></table><p></p>
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