JavaScript array every method | checks if all elements pass a test

JavaScript array every method is used to tests whether all elements in the array pass the test implemented by the provided function. It returns a ture for pass and flase for fail.

The advantage of this method is if you want to derive a single boolean value from multiple elements in an array.

Example of JavaScript array every

HTML example code of how to check if all values in array are true JavaScript:-

In the example we are checking weather all marks are greater then 30 or not.

Note: it does not execute the function for array elements without values.

Output:

JavaScript array every method example

Do comment if you have any doubts and suggestion on this method.

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.