var nums = [];for(var i = 0; i < 10; ++i) {	nums[i] = Math.floor(Math.random() * 101);}function seqSearch(arr,data) {	for(var i = 0; i < arr.length; ++i) {		if(arr[i] === data) {			return i;		}	}	return -1;}seqSearch(nums,45);