{"ScriptPreparationCode":"var array = [];\r\n\r\nfor(var i = 0; i \u003C 10000; i\u002B\u002B){array.push(Math.random());}","TestCases":[{"Name":"pop","Code":"let sum = 0;\r\nwhile (array.length)\r\n{\r\n sum \u002B= array.pop();\r\n}\r\nconsole.log(sum);","IsDeferred":false},{"Name":"shift","Code":"let sum = 0;\r\nwhile (array.length)\r\n{\r\n sum \u002B= array.shift();\r\n}\r\nconsole.log(sum);","IsDeferred":false}]}