Answers for "how to check count in array of element in javascript"

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count the number of elements in an array javascript

var arr = [10,20,30,40,50]; //An Array is defined with 5 instances

var len= arr.length;  //Now arr.length returns 5.Basically, len=5.
console.log(len); //gives 5
console.log(arr.length); //also gives 5

Posted by: Guest on May-08-2020

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