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JavaScript

Posted by Casey Abbott
Casey Abbott
7,845 Points

Why would someone use "let" in place of a variable in the case of a for loop?

For example...

for (let i = 0; i <= 4; i += 1) { text += i + ' '; }

3 Answers

Heidi Puk Hermann
Heidi Puk Hermann
33,366 Points

They give a quite nice explanation in this video from the "Getting started with ES2015" course.

Casey Abbott
Casey Abbott
7,845 Points
Casey Abbott
Casey Abbott
7,845 Points

Thank you.

Daniel Benisti
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.a{fill-rule:evenodd;}techdegree seal-36
Daniel Benisti
Front End Web Development Techdegree Graduate 22,224 Points
Daniel Benisti
.a{fill-rule:evenodd;}techdegree seal-36
Daniel Benisti
Front End Web Development Techdegree Graduate 22,224 Points

because in es6 let are changeable and const not , you can use var also but let is recommended .