js更改input標籤的讀寫屬性

時間 2019-11-20

原文原文鏈接

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
<script type="text/javascript">
function les(){
var a=document.getElementsByName("one");
var b=document.getElementsByTagName("input");
for(var i=0;i<b.length;i++){
b[i].readOnly="readonly";
}
}
function les1(){
var b=document.getElementsByTagName("input");
for(var i=0;i<b.length;i++){
b[i].readOnly=false;
b[i].style.background="#00";
}
}
</script>
</head>javascript

<body onload="les()">html

<input type="text" name="one" style="background:;" />
<input type="text" name="one" />
<input type="button" onclick="les()" />
<input type="button" onclick="les1()" />
</body>
</html>java

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