遍历数组的方法

    var arr = [
      { id: 1, name: '王昭君' },
      { id: 2, name: '安琪拉' },
      { id: 3, name: '鲁班七号' },
    ];
    var nums = [1, 2, 3, 4, 5];
    
    
      
      
      
      
      
      
    

    for (let i = 0; i < arr.length; i++) {
      console.log(arr[i], i);
    }
    
    
      
      
      
    

    arr.forEach((ele, index) => {
      console.log(ele, index);
    });