javascript 浏览器兼容性代码一览表
序号 |
操作 |
分类 |
IE |
FireFox |
Mozilla |
当前 |
备注 |
1 |
"." |
访问tag的固有属性 |
OK |
OK |
OK |
OK |
|
2 |
"." |
访问tag的用户定义属性 |
OK |
NO |
NO |
OK |
可以用getAttribute函数 替代 |
3 |
obj.getAttribute |
访问tag的固有属性 |
OK |
OK |
OK |
OK |
|
4 |
obj.getAttribute |
访问tag的用户定义属性 |
OK |
OK |
OK |
OK |
|
5 |
document.all |
访问document的所有子元素 |
OK |
OK |
NO |
OK |
建议用childNodes对象或者getElementById函数实现对应操作。 |
6 |
obj.all |
访问非document元素的所有子元素 |
OK |
NO |
NO |
OK |
同上 |
7 |
getElementById() |
根据元素的id/name来取得元素。 |
OK |
NO |
NO |
OK |
注意:很多元素是没有name属性的,eg: td, div,span... |
8 |
变量名 = "" |
隐式定义变量-通过向变量名附值方式定义一个新的变量。 |
OK |
OK |
OK |
OK |
建议:为避免必要的麻烦,显示定义变量。 |
9 |
id |
通过id直接调用对象 |
OK |
OK |
NO |
OK |
eval()函数用来执行脚本,所以向eval函数里面传入对象id/name的话,IE同样会返回对象的引用。 |
10 |
name |
通过name直接调用对象 |
OK |
NO |
NO |
OK |
同上/ 原因同7 |
11 |
name |
支持的特殊字符("!",".","@","#","$"," eg: document.getElementsByName("aaaa!page"); |
NO |
OK |
OK |
NO |
其它的字符没有测试 |
12 |
tr.innerHTML = "" |
设置TR元素的内部HTML脚本 |
NO |
OK |
OK |
NO |
在IE中,table、tr的innerHTML是只读属性,不能够对其直接设置。可以通过insertRow/insertCell函数进行设置。 |
13 |
cells对象访问 |
访问tr的cells对象 |
NO |
OK |
OK |
undefined |
可以将其插入Table再访问,或者可以用getElementsByTagName函数 对td/th访问。 |
14 |
(index) |
访问集合类对象 |
OK |
NO |
NO |
OK |
建议用正式的操作符"[]". |
15 |
obj.toString() |
取得对象的字符串"[object 对象类型的名称]". |
NO |
OK |
OK |
NO |
可以省略toString()函数,直接用对象来操作。 |
16 |
obj.class |
定义对象的css式样/风格。 |
NO |
OK |
NO |
- |
无法写测试代码,会有编译错误!可以自己用typeof(class) == null来测试一下,没有异常就在代码中可以使用。 |
17 |
const |
保留关键字,用于定义常量。 |
NO |
OK |
OK |
- |
暂时只能不使用const。 |
18 |
input.type |
变更input元素的类型 |
NO |
OK |
OK |
NO |
IE可以初始input元素类型,但是不能变更类型。 |
19 |
obj.children |
访问对象的子元素集合 |
OK |
NO |
NO |
OK |
可以用childNodes对象替代。 |
20 |
node.replaceNode |
替换新的节点对象 |
OK |
NO |
NO |
OK |
可以用replaceChild函数替换。 |
21 |
node.removeNode |
删除已有节点对象 |
OK |
NO |
NO |
OK |
可以用oldNode.parentNode.removeChild(oldNode)方式实现。 |
22 |
node.insertBefore |
在指定节点对象前面插入一个节点对象 |
OK |
OK |
OK |
OK |
|
23 |
obj.parentElement |
访问对象的父元素 |
OK |
NO |
NO |
OK |
可以用parentNode对象替代。 |
24 |
obj.childNodes.length |
返回子节点的数量,和tag的数量相同。 |
OK |
NO |
NO |
OK |
FF/Mozilla中,空白或者换行是文本节点,是childNodes的成员。 |
25 |
obj. |
向指定的位置插入元素 |
OK |
NO |
NO |
OK |
insertAdjacentElement函数和insertAdjacentText函数也类似。 |
26 |
createElement() |
创建指定类型元素。 |
OK |
NO |
NO |
OK |
可以先创建出对象元素,再进行属性设置;或者直接以InnerHTML的形式加到对应位置。 |
27 |
nodeName |
取对象(tag,attribute,textnode)节点名称 |
OK |
OK |
OK |
OK |
有人说存在差异,不知道是具体的前提条件,先记录备考。 |
28 |
window.event |
取得当前的事件对象 |
OK |
NO |
NO |
? |
可以主动向事件的响应函数传入event参数。 |
29 |
event.target |
取得事件的触发对象 |
NO |
OK |
OK |
? |
可以和srcElement共同使用;可以主动向事件的响应函数传入触发对象元素。 |
30 |
event.srcElement |
取得事件的触发对象 |
OK |
NO |
NO |
? |
可以和target共同使用;可以主动向事件的响应函数传入触发对象。 |
31 |
event对象属性 |
当前三个浏览器的共同拥有的属性: |
altLeft |
bubbles |
bubbles |
? |
event对象的不同点太多,在使用的时候需要一一检查才行。具体可以用页面下方的测试区域试验。 |
32 |
注册event |
用attachEvent函数注册 |
OK |
NO |
NO |
- |
小心内存泄漏!!! |
33 |
注册event |
addEventListener函数注册 |
NO |
OK |
OK |
- |
|
34 |
注册event |
obj.onxxx = Function("响应函数名称或代码");方式注册 |
OK |
OK |
OK |
- |
|
35 |
销毁event |
detachEvent函数销毁 |
OK |
NO |
NO |
- |
|
36 |
销毁event |
removeEventListener函数销毁 |
NO |
OK |
OK |
- |
|
37 |
销毁event |
obj.onxxx = null;方式注册 |
OK |
OK |
OK |
- |
|
38 |
触发event |
fireEvent函数 |
OK |
NO |
NO |
- |
|
39 |
触发event |
dispatchEvent函数 |
NO |
OK |
OK |
- |
|

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