slice（）数组截取；slice（0，-1），截除数组最后一位原数组改变

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于 2022-08-29 19:49:14 发布

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分类专栏： js 文章标签： javascript

本文链接：https://blog.csdn.net/jieweiwujie/article/details/126591518

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  let arr1 = [
        { name: "1322", age: "112" },
        { name: "2322", age: "212" },
        { name: "3322", age: "312" },
      ];
      let arr2 = arr1.slice(0, -1);
      console.log(arr2);//arr2 = [{ name: "1322", age: "112" },{ name: "2322", age: "212" }];
      console.log(arr2);
      console.log(arr2);
    },