654 B
654 B
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Array Length |
Array Length
length
is a property of arrays in JavaScript that returns or sets the number of elements in a given array.
The length
property of an array can be returned like so.
let desserts = ["Cake", "Pie", "Brownies"];
console.log(desserts.length); // 3
The assignment operator, in conjunction with the length
property, can be used to set then number of elements in an array like so.
let cars = ["Saab", "BMW", "Volvo"];
cars.length = 2;
console.log(cars.length); // 2
More Information:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length