{"ScriptPreparationCode":"var items = [];\r\nfor(var i=0;i\u003C1000000;i\u002B\u002B) items.push({id:i,key:\u0027val\u0027});","TestCases":[{"Name":"Pop","Code":"while(items.length) {\r\n items.pop();\r\n}","IsDeferred":false},{"Name":"shift","Code":"while(items.length) {\r\n items.shift();\r\n}","IsDeferred":false}]}