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IE browsers do not support Getelementsbyclassname solutions

Source: Internet
Author: User
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The code is as follows Copy Code
Document.getelementsbyclassname = function () {
var ttagname = "*";
if (Arguments.length > 1) {
Ttagname = arguments[1];
}
if (Arguments.length > 2) {
var pobj = arguments[2]
}
else{
var pobj = document;
}
var Objarr = Pobj.getelementsbytagname (ttagname);
var trobj = new Array ();
for (var i=0; i<objarr.length; i++) {
if (Objarr[i].classname = = Arguments[0]) {
Trobj.push (Objarr[i]);
}
}
return trobj;
}

Test Culvert number

The code is as follows Copy Code

function Test () {
var obj=document.getelementsbyclassname ("QQ");
for (Var i=0;i<obj.length;i++) {
Obj[i].style.color= "#ff0000 ″;
}
}

function Test2 () {
var obj=document.getelementsbyclassname ("QQ", "DIV");
for (Var i=0;i<obj.length;i++) {
Obj[i].style.color= "#ff0000 ″;
}
}

function Test3 () {
var Myid=document.getelementbyid (' OK ');
var obj=document.getelementsbyclassname ("QQ", "DIV", myID);
for (Var i=0;i<obj.length;i++) {
Obj[i].style.color= "#ff0000 ″;
}
}

Example 2

The code is as follows Copy Code

if (navigator.appname = = ' Microsoft Internet Explorer ') {
Document.getelementsbyclassname = function () {
var ttagname = "*";
if (Arguments.length > 1) {
Ttagname = arguments[1];
}
if (Arguments.length > 2) {
var pobj = arguments[2]
} else {
var pobj = document;
}
var Objarr = Pobj.getelementsbytagname (ttagname);
var trobj = new Array ();
for (var i = 0; i < objarr.length; i++) {
if (Objarr[i].classname = = Arguments[0]) {
Trobj.push (Objarr[i]);
}
}
return trobj;
}
}

Full instance

The code is as follows Copy Code

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 "/>
<title>float</title>
<style type= "Text/css" >
. Clear{clear:both;}
. Fl{float:left;}
. Fr{float:right;}
. div1{width:200px height:200px;border:1px solid #ccc; background: #F00; Filter:alpha (opacity=50); opacity:0.5;}
. div2{width:200px height:200px;border:1px solid #ccc; background: #F00; Filter:alpha (opacity=40); opacity:0.5;}
Div3{width:auto Overflow:hidden border:1px Solid #ccc background: #999; color: #fff;}
</style>
<body>
<div class= "Div1 fl" > left float </div>
<div class= "Div2 fr" > right float </div>
<div class= "Div3" >
</div>
<div class= "Div3 div5 div6" >
</div>
<div class= "div3456456 div5 div6 div8" >
</div>

<script>
function GetClass (class_name,tag_name) {
var classes;
if (document.getelementsbyclassname) {
Classes = Document.getelementsbyclassname (class_name);
for (var i = 0; i<classes.length; i++)
alert (classes[i].innerhtml);
}
return classes;
}else{
if (tag_name = = null) {tag_name = "*";}
var tags = document.getelementsbytagname (tag_name);
var classes = new Array ();
for (var i=0,j=0; i<tags.length; i++) {
var attr_class_name = "" + Tags[i].classname + ""; Plus "" Just to add a spaces to the value of the original class attribute
if (Attr_class_name.indexof ("" + Class_name + "")!=-1) {//here Plus "" is to let the search class is a separate class, to avoid the occurrence of div3, but the phenomenon of div345.
Classes[j++] = tags[i];
}
}
alert (classes);
return classes;
}
}
var div3 = getclass ("Div3");
</script>
</body>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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