random string generator javascript w3schools code example

Example 1: generate random numbers in js

Math.floor((Math.random() * 100) + 1);
//Generate random numbers between 1 and 100
//Math.random generates [0,1)

Example 2: generate random number jquery

$("h1").html(Math.floor(Math.random() * 10)); // Generate a number between 0-9
//Change 10 to the value you want to be the max number to generate