There are several ways to add javascript to a web page

There are two ways to add js to a web page, namely: 1. Direct method, the syntax format is "<script>js code</script>"; 2. Reference method, the syntax format is "< script src="js address" type="text/javascript">".

1. Direct method

This is the most commonly used method. Most web pages containing Javascript use this method, such as:

<script type="application/javascript">
　　<!--
　　document.write("这是Javascript！采用直接插入的方法！");
　　//-Javascript结束-->
　　</script>

In this example, we can see a new tag: <script>...</script>, and .

You can also specify the javascript version when importing the file, for example:

Note: Any content in the script tag that specifies the src attribute will be ignored.

[Recommended learning: javascript advanced tutorial]

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