jquery 基础运用

Original 2019-04-17 16:05:27 205
abstract:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml&quo

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>无标题文档</title>

<script src="js/jquery-3.4.0.min.js" type="text/javascript"></script>

</head>


<body>

<script type="text/javascript">

//放入javascript代码或者jQuery代码


//文档就绪函数

$(document).ready(function() {

//再页面加载之前 运行jQuery代码

$str = "我是一个声明变量";

//alert($str);

$("div").hide();   

$("button").click(function(){

$("div").show();  

})

    });




</script>

<div style="width:100px; height:200px; background-color:#ccc;">


</div>

<button>点击</button>

</body>

</html>


Correcting teacher:查无此人Correction time:2019-04-18 09:55:23
Teacher's summary:完成的不错。jq比js简单,要好好练习,代替js,这样以后写代码就快很多。继续加油

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