Length javascript

1. What is length in JavaScript?
2. What is length () function?
3. How to check length of number in JavaScript?
4. What is length 1 in JavaScript?

What is length in JavaScript?

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.

What is length () function?

The LENGTH( ) function counts the number of characters in string, including any spaces, and returns the number.

How to check length of number in JavaScript?

Use the toString() method to covert the Number to string, then the length() method gives you length.

What is length 1 in JavaScript?

length -1 means, specifically the -1 part. When using a for loop over an array we have something like this: for (i = 0; i < array. length; i++) ...