JavaScript中遍历数组中元素的两种方法

2015-03-27 20:02:20
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  <script>
  var arr= new Array('good boy',2,7,4,7,3,true);
	/*使用for...in...遍历数组*/
	for(var i in arr){
		document.write('第'+i+'个元素是'+arr[i]+'<br/>');//输出元素值；
	}

	/*使用for...in...遍历数组*/
	for(var s=0;s<arr.length;s++){
		document.write('第'+s+'个元素是'+arr[s]+'<br/>');//输出元素值
	}
  </script>
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