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- <!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>
- <script src="./ajax.js"></script>
- <script>
- // var a = 10;
- // setTimeout(function(){
- // console.log(a)
- // }, 1000);
- // a++;
- // console.log(a)
-
- //callback hell 回调地狱
- ajaxFun("./data/a.json", function (res) {
- console.log(res)
- ajaxFun("./data/b.json", function (res) {
- console.log(res)
- ajaxFun("./data/c.json", function (res) {
- console.log(res)
- })
- })
- })
- </script>
- </body>
- </html>
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