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Set all form objects to read-only through js

阿神Original: 2017-03-18 11:23:322191browse

Example, set all objects in form to be read-only.

<html>
<body>
<script language="javascript">
function DisableDiv(p)
 {
   var objs=new Array()
   var strobj
   strobj="input|a|button"
   objs=strobj.split("|")
   //for循环开始设置form对象为只读
   for(k=0;k<objs.length;k++)
   {
   obj1=document.getElementById(p).getElementsByTagName(objs[k])
 for (var i=0; i<obj1.length; i++) {
  obj1[i].disabled=true
  obj1[i].onclick=function() {
  this.disabled=true
   return false
 }
  obj1[i].onkeypress=function() {
  this.disabled=true   
  return false
 }   
 }   
  }
}
</script>
<p id="p1">
<input type="text" name="textfield"> 
<input type="button" name="Submit" value="点击我" onclick="javascript:alert(&#39;click me&#39;)">
</p>
</body>
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<script language="javascript">
//初始化
DisableDiv(&#39;p1&#39;)
</script>
</html>

js sets the input text box to be read-only

Process the form to make the input and other text boxes read-only and non-editable Method

Use js to dynamically control the read-only attribute of the input box

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