JS-數組移除操作

//移除指定下標
Array.prototype.removeAt = function(index) {
  if (isNaN(index) || index >= this.length) {
    return false;
  }
  this.splice(index, 1);
};

 

//移除指定的值
Array.prototype.removeValue = function(val) {
  var index = this.indexOf(val);
  while (index > -1) {
    this.splice(index, 1);
    index = this.indexOf(val);
  }
};