Let in for loop

gistfile1.js

"use strict";
for (let i = 0; i < 10; i++) {
    console.log('iterating ', i);

    i = 10;

    setTimeout(() => console.log('timeout', i), 100);
}

Output

node --version
v0.12.0

node --harmony for-let.js
iterating  0
timeout 10