js 數組查詢:js數組套對象[朗讀]

直接看代碼:window.onload=function(){vararr=newarray(1,2,3,2,4,2,5,6,7,2,4,3,18,12,41,87);alert(iscon(arr,8));}functioniscon(arr,val){for(vari=0;i<arr.length;i++){if(arr[i]==val)returntrue;}returnfalse;}