{"ScriptPreparationCode":"var arr = new Array(100).fill(null).map((val, idx) =\u003E {\r\nreturn {\r\nid: idx \u002B 1,\r\ntext: idx\r\n};\r\n});","TestCases":[{"Name":"Native findIndex","Code":"arr.findIndex((zoom) =\u003E {\r\nreturn zoom.id === 30;\r\n});","IsDeferred":false},{"Name":"Custom findIndex","Code":"let length = arr.length;\r\n\r\nfor(let idx = 0 ; idx \u003C length ; idx\u002B\u002B) {\r\n let zoom = arr[idx];\r\n if(zoom.id === 30) {return idx;}\r\n}","IsDeferred":false}]}