How to insert JavaScript in a HTML page

Today, the editor will share with you how to insert the relevant knowledge points of JavaScript in the HTML page, the content is detailed, the logic is clear, I believe most people still know too much about this knowledge, so share this article for your reference, I hope you can get something after reading this article, let's take a look at it.

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To insert JavaScript in a HTML page, use a tag.

And will tell JavaScript where to start and end.

The line of code between and contains _ JavaScript:

What is the role of JavaScript? 1, can embed dynamic text in HTML pages.

2. Respond to browser events.

3. Read and write HTML elements.

4. Verify the data before it is submitted to the server.

5. Detect the browser information of visitors.

6. Control cookies, including creation and modification, etc.

7. Server-side programming based on Node.js technology.

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