{"ScriptPreparationCode":"function leftpad (str, len, ch) {\r\n str = str \u002B \u0022\u0022;\r\n len = len - str.length;\r\n if (len \u003C= 0) return str;\r\n if (!ch \u0026\u0026 ch !== 0) ch = \u0022 \u0022;\r\n ch = ch \u002B \u0022\u0022;\r\n if (ch === \u0022 \u0022 \u0026\u0026 len \u003C 10) return cache[len] \u002B str;\r\n var pad = \u0022\u0022;\r\n while (true) {\r\n if (len \u0026 1) pad \u002B= ch;\r\n len \u003E\u003E= 1;\r\n if (len) ch \u002B= ch;\r\n else break;\r\n }\r\n return pad \u002B str;\r\n}\r\n\r\nfunction chatGPTLeftPad(string, len, ch) {\r\n string \u002B= \u0022\u0022;\r\n const padding = len - string.length;\r\n if (padding \u003C= 0) {\r\n return string;\r\n }\r\n const padChar = ch || ch === 0 ? \u0060${ch}\u0060 : \u0022 \u0022;\r\n const padString = padChar.repeat(padding);\r\n return padString \u002B string;\r\n}\r\n\r\nfunction nativeLeftPad(string, len, ch) {\r\n return string.padStart(len, ch);\r\n}\r\n","TestCases":[{"Name":"leftpad","Code":"leftpad(\u0027anim\u0027,20,\u00270\u0027)","IsDeferred":false},{"Name":"chatgpt","Code":"chatGPTLeftPad(\u0027anim\u0027,20,\u00270\u0027)","IsDeferred":false},{"Name":"native","Code":"nativeLeftPad(\u0027anim\u0027,20,\u00270\u0027)","IsDeferred":false}]}