JavaScript access variable outside the callback | Example code

You can define the variable in function and pass it to callback function in JavaScript. The callback function should have a parameter option.

Access to a variable outside of a callback function in javascript

HTML example code:-

Output:

JavaScript access variable outside the callback

Do comment if you have any doubts and suggestion on this JS variable topic.

Note: All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version


Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.