将这两个函数中重复的部分封装成一个函数？

Question

//给数组中的每一项增加3

function addThreeForEachItem(array){

      for(var i = 0; i < array.length; i++){

        array[i] = array[i] + 3;

    }

    return array;

}

//将数组中的每一项编码

function encodeEachItem(array){

    for(var i = 0; i < array.length; i++){

        array[i] = encodeURIComponent(array[i]);

    }

    return array;

}

Answer 1

可以考虑给第二个参数来区分function repeatControl(array,param){&nbsp;for(var i = 0; i < array.length; i++){&nbsp; &nbsp; if(param=='addThree'){&nbsp; &nbsp; &nbsp; &nbsp;array[i] + = 3;&nbsp; &nbsp; }else{&nbsp; &nbsp; &nbsp; &nbsp;array[i] = encodeURIComponent(array[i]);&nbsp; &nbsp; }&nbsp;}&nbsp; return array;}