Javascript数组元素计数

Question

我有一个javascript数组

var array=["83487","83488","83489","83490","83491"];

我想获得此数组的Count 我该如何计算 这是5。

Answer 1

array.length;

或

array["length"];

Answer 2

您可以使用length属性：

var array=["83487","83488","83489","83490","83491"];
alert(array.length);

Answer 3

 <script>
 function myFunction()
 {
  var sample = ["83487","83488","83489","83490","83491"];
  alert(sample.length);
 }
 </script>

Sample

Answer 4

使用array.length;它会返回数组中元素的数量