How does the browser identify inline JavaScripts?

Let’s say the following line we have in our HTML −

<input type="Button" value="Result" onclick="alert(‘Hello World!’);"/>

Here the browser identifies inline JavaScript by detecting onclick, even when <script> tag wasn’t available.

The following are some of the suggestions for using inline JavaScripts −

• You should consider inline script elements such as <script>...</script>) if the script only to be used for a single page.
• Do not use event attributes such as onclick="...", and bind event handlers using JavaScript.
• Use external script elements such as <script src="..."></script>) for most scripts, especially if reused between pages.

Johar Ali

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Updated on: 13-Jun-2020

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