js array length
var numbers = [1, 2, 3, 4, 5];
var length = numbers.length;
for (var i = 0; i < length; i++) {
numbers[i] *= 2;
}
// numbers is now [2, 4, 6, 8, 10]
let desserts = ["Cake", "Pie", "Brownies"];
console.log(desserts.length); // 3var 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 5let array = [1, 2, 3];
console.log(array.length);array.lengtharr = ["a", "b", "c"];
len = arr.length; // 3
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