getJsonKeyValues.js

/*!
 * return an array of values that match on a certain key
 * techslides.com/how-to-parse-and-search-json-in-javascript
 * gist.github.com/englishextra/872269c30d7cb2d10e3c3babdefc37b4
 * var jpr = JSON.parse(response);
 * for (var i = 0; i < jpr.length; i++) {
 * 	var o = jpr[i],
 * 	t = getJsonKeyValues(o, "label"),
 * 	p = getJsonKeyValues(o, "link");
 * 	crel(select, crel("option", {
 * 		"value" : p,
 * 		"title" : "" + t
 * 	}, truncString("" + t, 37)));
 * }
 */
function getJsonKeyValues(obj, key) {
	var objects = [];
	for (var i in obj) {
		if (!obj.hasOwnProperty(i))
			continue;
		if (typeof obj[i] == "object") {
			objects = objects.concat(getJsonKeyValues(obj[i], key));
		} else if (i == key) {
			objects.push(obj[i]);
		}
	};
	return objects;
}