JavaScript: What and when to use Array.every() method

JavaScript: What and when to use Array.every() method

Learn what the Array.every() method do and when you need to use it. The JavaScript every() method will check if each one of your Array elements passes a certain test function that you can define as the callback function.

Learn what the Array.every() method do and when you need to use it

The JavaScript every() method will check if each one of your Array elements passes a certain test function that you can define as the callback function.

The every() method will return either true or false as the result of the method call. When you have even one element that doesn’t pass the test, the method will return false.

Let’s see an example of every() in action: Suppose you want to make sure that an array of ages are all above 20.




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