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The text disappears when the javascript search box is clicked and the text appears out of focus_javascript skills

WBOYOriginal: 2016-05-16 16:36:091197browse

When the focus is achieved, the text disappears, and when the focus is lost, the text appears

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>
<input id="text" type="text" value="点我就消失"/>
<script>
var oText=document.getElementById("text");
var onoff=true;
oText.color="#000";
oText.onfocus=function(){
if(onoff){
this.value="";
this.color="red";
onoff=false;
}
}

oText.onblur=function(){
if(this.value==''){
this.color="#000";
this.value="点我就消失";
onoff=true;
}
}
</script>
</body>
</html>

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The text disappears when the javascript search box is clicked and the text appears out of focus_javascript skills

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