Use p and c instead of (reusing) k. This silences the following JSHint warning:
>>> Lint for webroot/rsrc/js/application/projects/behavior-project-boards.js:
Warning (W004) JSHintW004
'k' is already defined.
57 'phui-tag-shade-blue': (sum > 0 && !over_limit),
58 'phui-tag-shade-red': (over_limit)
59 };
>>> 60 for (var k in color_map) {
61 JX.DOM.alterClass(data.countTagNode, k, !!color_map[k]);
62 }
63 }