cleaning structure

old code/tray/js/sample/padstart-pollyfill.js

@@ -0,0 +1,21 @@
+/**
+ * String.prototype.padStart() polyfill
+ * https://github.com/uxitten/polyfill/blob/master/string.polyfill.js
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart
+ */
+if (!String.prototype.padStart) {
+	String.prototype.padStart = function padStart(targetLength,padString) {
+		targetLength = targetLength>>0; //truncate if number or convert non-number to 0;
+		padString = String((typeof padString !== 'undefined' ? padString : ' '));
+		if (this.length > targetLength) {
+			return String(this);
+		}
+		else {
+			targetLength = targetLength-this.length;
+			if (targetLength > padString.length) {
+				padString += padString.repeat(targetLength/padString.length); //append to original to ensure we are longer than needed
+			}
+			return padString.slice(0,targetLength) + String(this);
+		}
+	};
+}