ES6 introduces the 'let' keyword which gives you block scope: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let https://developer

ES6 introduces the 'let' keyword which gives you block scope: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... Browser compatibility isn't too bad, but no Safari support it seems: http://kangax.github.io/es5-compat-table/es6/#let http://kangax.github.io/es5-compat-table/es6/#let