<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
.style_input{
width: 3rem;
margin-bottom: 2rem;
}
#context{
height: 1.5rem;
border: 1px solid black;
float: left;
border-radius:10px;
}
#ner_con{
background-color: aqua;
height: 100%;
border-radius:10px;
}
#text_contest{
height: 1.5rem;
width: 3rem;
float: left;
margin-left: 0.3rem;
}
#pro_div{
height: 1.5rem;
width: 3rem;
float: left;
}
</style>
<script src="js/jquery-1.11.2.min.js" type="text/javascript" charset="utf-8"></script>
</head>
<body>
<input type="number" name="" id="user_number" value="" class="style_input"/>
<input type="button" name="" id="" value="生成" οnclick="change()"/>
<div id="">
<div id="context">
<div id="ner_con">
</div>
</div>
<div id="text_contest">
</div>
</div>
<script type="text/javascript">
var count = 1;
var screewidth = document.body.clientWidth;
function change(){
/* 拿到ID以改变样式 */
var nercon = document.getElementById("ner_con");
var context = document.getElementById("context");
var text_contest = document.getElementById("text_contest");
var user_number = $("#user_number").val();
/* 判断一下是不是超过了可见区域 */
if(Number(user_number)>=(screewidth/2)){
console.log(screewidth);
alert("输入过长，请重新输入！");
return false;
}
else{
context.style.width = user_number+"px";
/* 只需要将内部的div的宽度递增就可以了*/
if(count !== Number(user_number)){
/* 改变样式的宽度 */
nercon.style.width = count+"px";
/* count自加 */
count++;
/* 百分比的显示，保留两位小数 */
text_contest.textContent = (parseFloat(count/user_number)*100).toFixed(2)+"%";
}else{
return false;
}
setTimeout("change()",100);
}
}
</script>
</body>
</html>
————————————————
版权声明：本文为CSDN博主「何处锦绣不灰堆」的原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/qq_41485414/article/details/82851971
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