What browsers currently support JavaScript's 'let' keyword?

Question

I\'m developing an app and don\'t have to ever worry about Internet Explorer and was looking into some of the features present in A+ grade browsers that aren\'t in Inte

Answer 1

Internet Explorer and Opera don't support let on any browser version, Firefox since version 2.0 and Safari since 3.2.

See this JavaScript version table on Wikipedia.

I just found out that you need to define whether you use JavaScript 1.7 or not. So your code will be: