Method: 1. Embed JavaScript code in the script tag of the html page; 2. Write the js code in a ".js" file, and then introduce the external js file through the src attribute of the script tag, syntax ""
The operating environment of this tutorial: windows7 system, javascript1.8.5&&HTML5 version , Dell G3 computer.
1. Embed JavaScript code in the script tag of the html page
Example:
<body>
<script>
var a=1;
alert(a);
</script>
</body>2. Through the src attribute of the script tag Introducing external js files
<body>
<!-- 引入本地文件 -->
<script src="./script.js"></script>
<!-- 引入外部域的文件 -->
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</body>In this way, the server will send the JavaScript file to the browser with the MIME type application/x-javascript.
Note:
Although the
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