‘use strict’ is literal expression which was introduced in ECMAScript 2015. Basically, when you use ‘use strict’ it tells the Browser to execute code into

‘use strict’ is literal expression which was introduced in ECMAScript 2015. Basically, when you use ‘use strict’ it tells the Browser to execute code into
Main difference between var and let is Scoping. var keyword: var declare variable and optionally initialize the variable to a value. Syntax: var declarations, wherever it