javascript size array

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showing results for - "javascript size array"
Thomas
17 Feb 2018
1var numbers = [1, 2, 3, 4, 5];
2var length = numbers.length;
3for (var i = 0; i < length; i++) {
4  numbers[i] *= 2;
5}
6// numbers is now [2, 4, 6, 8, 10]
7
Viktoria
25 Aug 2017
1var arr = [10,20,30,40,50]; //An Array is defined with 5 instances
2
3var len= arr.length;  //Now arr.length returns 5.Basically, len=5.
4console.log(len); //gives 5
5console.log(arr.length); //also gives 5
Leaf
07 Aug 2020
1let array = [1, 2, 3];
2console.log(array.length);
Joaquín
06 Mar 2016
1let desserts = ["Cake", "Pie", "Brownies"];
2console.log(desserts.length); // 3
Juliana
21 Mar 2020
1var numbers = [1, 2, 3, 4, 5];
2var length = numbers.length;
3for (var i = 0; i < length; i++) {
4  numbers[i] *= 2;
5}
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