失去焦点与获取焦点的小案例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<input type="text" value="手机" id="int">
<script>
var int=document.getElementById("int");
int.onblur=function(){
int.value="手机";
}
int.onfocus=function(){
int.value="";
}
</script>
</body>
</html>
Processed:
0.043, SQL:
8
