Converted all Object.values, Object.keys and Array.forEach to for and for in loops
Converted all Object.values, Object.keys and Array.forEach to for and for in loops

The polyfill for Object.values had performance issues in Microsoft Edge. Object.keys and Array.forEach also don't have stellar performance. Therefore we decided to switch all of these to for loops instead.

six-sdk/six-javascript-sdk,six-sdk/six-javascript-sdk