javascript 双击文本框编辑功能代码

时间:2020-05-12 人气:0

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "HTML://www.w3.org/TR/xHTML1/DTD/xHTML1-transitional.dtd"> 
<HTML xmlns="HTML://www.w3.org/1999/xHTML"> 
<head> 
<meta HTML-equiv="Content-Type" content="text/HTML; charset=gb2312" /> 
<meta name="author" content="wuleying"> 
<title>javascript 双击文本框编辑功能代码</title> 
<style> 
input.t {border:1px solid #fff;background:#fff;} 
input.s {border:1px solid #369;background:#fff;} 
</style> 
</head> 
<body> 
<input class="t" id="test" readonly value="这里是标题,双击文字后实现编辑文本功能" /><input type="submit" value="修改" style="display:none;" id="submit" /> 
<script type="text/javascript"> 
var test = document.getElementById("test"); 
var mysubmit = document.getElementById("submit"); 
test.ondblclick = function() 
{ 
this.readOnly = false; 
this.className = "s"; 
//说明 主要是通过控制样式来实现文本的样式和文本框样式的切换 
mysubmit.style.display = ""; 
} 
mysubmit.onclick = function() 
{ 
test.readOnly = true; 
test.className = "t"; 
this.style.display = "none"; 
} 
</script> 
</body> 
</HTML>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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