{"ScriptPreparationCode":"function getRandomInt(max) {\r\n return Math.floor(Math.random() * Math.floor(max));\r\n}\r\nvar arr = [];\r\nfor (i = 0; i \u003C 1000; i\u002B\u002B) {\r\n arr.push(\u0022PROPERTY_\u0022 \u002B getRandomInt(10000));\r\n arr.push(\u0022RUS_\u0022 \u002B getRandomInt(10000));\r\n}\r\nvar success = 0;","TestCases":[{"Name":"RegExp ","Code":"for(const value of arr) {\r\n if(/^PROPERTY_/.test(value)) success\u002B\u002B;\r\n}","IsDeferred":false},{"Name":"substring","Code":"for(const value of arr) {\r\n if(value.substring(0, 9) === \u0022PROPERTY_\u0022) success\u002B\u002B;\r\n}","IsDeferred":false}]}