This is demo
{"ScriptPreparationCode":"var rx = /o/;\r\nconsole.log(\u0022js preparation\u0022);","TestCases":[{"Name":"RegExp#test","Code":"rx.test(\u0027Hello World!\u0027);","IsDeferred":false},{"Name":"String#indexOf","Code":"\u0027Hello World!\u0027.indexOf(\u0027o\u0027) \u003E -1;","IsDeferred":false},{"Name":"String#match","Code":"!!\u0027Hello World!\u0027.match(rx);","IsDeferred":false}]}