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I created a .js file, and then included it in the HTML pages by:
<script type="text/javascript" src="yourexternalfile.js"></script>
How do I call the function of the .js file using onclick = "...." ?
I know that it will be something like:
<input type="BUTTON" value="Exit" onclick="javascript: ???;" >
but I can't figure it out...
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To include an external JavaScript file, we can use the script tag with the attribute src . You've already used the src attribute when using images. The value for the src attribute should be the path to your JavaScript file. This script tag should be included between the <head> tags in your HTML document.
Since ECMAScript 6 (or ES6) you can use the export or import statement in a JavaScript file to export or import variables, functions, classes or any other entity to/from other JS files.
Using onclick Event: The onclick event attribute works when the user click on the button. When mouse clicked on the button then the button acts like a link and redirect page into the given location.
In JavaScript, you can call a function or snippet of JavaScript code through the HREF tag of a link. This can be useful because it means that the given JavaScript code is going to automatically run for someone clicking on the link. HREF refers to the “HREF” attribute within an A LINK tag (hyperlink in HTML).
If you are using JQuery, you can do it like this,
<input type="button" onclick="javascript: $.getScript('../scripts/yourfilepath' , function (){ youFunctionCall() ; } );" />
This will download the JS file when the button is cliked and shall execute the function called within.
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