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jQuery-Ajax requests Json data and loads it on the front-end page

不言
不言Original
2018-07-09 10:51:072512browse

This article mainly introduces jQuery-Ajax to request Json data and load it on the front-end page. It has a certain reference value. Now I share it with you. Friends in need can refer to it.

Ajax technology is widely used , this asynchronous loading technology can update website content without refreshing the web page, either globally or locally, so everyone should learn this technique and use the technology.

Create demo.json file, used as data source: 

{
    "title":"Segmentfault",
    "url":"https://segmentfault.com"
}

Create index.html file, front-end page and load data

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>jQuery - Ajax - Json</title>
    <script src="http://code.jquery.com/jquery-3.3.1.min.js"></script>
    <script>
        $(function(){
            $("button").click(function(){
                $.ajax({
                    type:"GET",
                    url:"demo.json",
                    dataType:"json",
                    success:function(data){
                        $("#title").text(data.title);
                        $("#url").text(data.url);
                    }
                })
            })
        })
    </script>
</head>
<body>
    <button name="button" type="button">加载数据</button>
    <h2>title:<span id="title"></span></h2>
    <h2>url:<span id="url"></span></h2>
</body>
</html>

The jQuery library needs to be introduced in the page

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