+++ This bug was initially created as a clone of Bug #758950 +++ Continuation of the work done in bug 740237 and bug 758950 to convert loops in the Add-ons Manager frontend and backend code to use for...of loops. for..of is a new ES6 feature for iterating over arrays and array-like objects: https://developer.mozilla.org/en/JavaScript/Reference/Statements/for...of See the following bugs for some fine examples: * bug 740237 * bug 758950 * bug 737792

Per policy at https://wiki.mozilla.org/Bug_Triage/Projects/Bug_Handling/Bug_Husbandry#Inactive_Bugs. If this bug is not an enhancement request or a bug not present in a supported release of Firefox, then it may be reopened.