function IsInArray(arr,val){
var testStr=','+arr.join(",")+",";
return testStr.indexOf(","+val+",")!=-1;
}
var test=['a',23,-1];
alert(IsInArray(test,'a'));//true
alert(IsInArray(test,2));//false
alert(IsInArray(test,-1));//true
function IsInArray(arr,val){
var testStr=','+arr.join(",")+",";
return testStr.indexOf(","+val+",")!=-1;
}
var test=['a',23,-1];
alert(IsInArray(test,'a'));//true
alert(IsInArray(test,2));//false
alert(IsInArray(test,-1));//true