js实现endwith方法

js实现endwith方法

<script>
String.prototype.endWith = function (endStr) {
      var d = this.length - endStr.length;
      return (d >= 0 && this.lastIndexOf(endStr) == d)
    }
// 调用
var test = 'test.html';
console.log(test.endwith('.html')) 
</script>