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{"ScriptPreparationCode":null,"TestCases":[{"Name":"Toggle","Code":"document.querySelector(\u0022button\u0022).addEventListener(\u0022click\u0022, function(){\r\n\tdocument.body.classList.toggle(\u0022purple\u0022)\r\n});","IsDeferred":false},{"Name":"ClassName \u002B remove","Code":"document.querySelector(\u0022button\u0022).addEventListener(\u0022click\u0022, function(){\r\n\tdocument.body.className = \u0022purple\u0022\r\n document.body.classList.remove = \u0022purple\u0022\r\n});","IsDeferred":false},{"Name":"My way","Code":"var isWhite = true;\r\ndocument.querySelector(\u0022button\u0022).addEventListener(\u0022click\u0022, function (){\r\n\tif (isWhite){\r\n\t\tdocument.body.style.background = \u0022purple\u0022;\r\n\t}\r\n\telse {\r\n\t\tdocument.body.style.background = \u0022white\u0022;\r\n\t}\r\n\tisWhite = !isWhite;\r\n});","IsDeferred":false}]}