better-testing

behavior-comment-jump.js
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			/**
			* @provides javelin-behavior-differential-comment-jump
			* @requires javelin-behavior
			* javelin-util
			* javelin-dom
			*/

			JX.behavior('differential-comment-jump', function(config) {
			function handle_jump(offset) {
			return (function(e) {
			var parent = JX.$('differential-review-stage');
			var clicked = e.getNode('differential-inline-comment');
			var inlines = JX.DOM.scry(parent, 'div', 'differential-inline-comment');
			var jumpto = null;

			for (var ii = 0; ii < inlines.length; ii++) {
			if (inlines[ii] == clicked) {
			jumpto = inlines[(ii + offset + inlines.length) % inlines.length];
			break;
			}
			}
			JX.DOM.scrollTo(jumpto);
			e.kill();
			});
			}

			JX.Stratcom.listen('click', 'differential-inline-prev', handle_jump(-1));
			JX.Stratcom.listen('click', 'differential-inline-next', handle_jump(+1));
			});