{"ScriptPreparationCode":"var a = [{\u0022id\u0022:7,\u0022h\u0022:76},{\u0022id\u0022:4,\u0022h\u0022:34},{\u0022id\u0022:9,\u0022h\u0022:89}];\r\nvar b = [];\r\nfor(var i=0;i\u003Ca.length;i\u002B\u002B)b[i] = a[i].id;\r\nvar c = [];\r\nfor(var i=0;i\u003Ca.length;i\u002B\u002B)c[a[i].id] = a[i];","TestCases":[{"Name":"loop lookup","Code":"for(var i in a)if(i.id==9)return i;","IsDeferred":false},{"Name":"array indexed","Code":"return a[b.indexOf(9)];","IsDeferred":false},{"Name":"key lookup","Code":"return c[9];","IsDeferred":false}]}