Function hasValue

MathBox/parser.js:95–106

(values, index)

	}

	function hasValue(values, index) {
		var parts = index.split(/\./);
		var value = values;
		var part;
		while (part = parts.shift()) {
			if (!(part in value)) {
				return false;
			}
			value = value[part];
		}
		return true;
	}

	function getValue(values, index) {
		var parts = index.split(/\./);