forEach Loop

The forEach calls a provided function once for each element in an array, in order.

Syntax: – array.forEach(function (value, index, arr) {
});

Where,
value – It is the current value of array index.
index – Array‟s index number
arr – The array object the current element belongs to

for of Loop

The for…of statement creates a loop iterating over iterable objects.

Syntax: –
for (var variable_name of array) {
}

Input from User in Array

You can get input from user in an empty array:-

• var geek= [ ];
• var geek = new Array( );
• var geek = new Array(3); // 3 is length of array

Multidimensional Array

Multidimensional array is Arrays of Arrays.
Multidimensional array can be 2D, 3D, 4D, etc.

Ex: –
2D – var name[ [ ], [ ], [ ]

Multidimensional Arra

The post How do you use in for loops in JavaScript? appeared first on scmGalaxy.