How to introduce external javascript

In this issue, the editor will bring you about how to introduce external javascript. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

In a web document, use the src attribute of script to introduce external javascript, syntax "".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

In HTML, you can embed JavaScript into a web page or an external JavaScript file, or you can implement both. The following shows how to link an external JavaScript file (the file extension ends in .js) to a web page.

1. External JavaScript file

Create a new file with the ".js" file extension and put the JavaScript code in it. That's it. You just created an external JavaScript file.

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