Presented by: Aakash Biswas Duration: 21.44 minutes Watch Tutorial 1: https://youtu.be/PG7sE8jOXoM Watch Tutorial 2: https://youtu.be/fd2wvEoVYVo Watch Tutoiral 3: https://youtu.be/nMEeLz53whQ Complete list of JavaScript Built-in Functions: https://www.tutorialspoint.com/javascript/javascript_builtin_functions.htm Original source