Js ได้คนสุดท้ายของธาตุอาเรย์
รหัสตัวอย่าง
ไปสุดท้ายของธาตุอาเรย์จาวาสคริปต์
// Method - 1 ([] operator)
const arr = [5, 3, 2, 7, 8];
const last = arr[arr.length - 1];
console.log(last);
/*
Output: 8
*/
// Method - 2 (Destructuring Assignment)
const arr = [5, 3, 2, 7, 8];
const [last] = arr.slice(-1);
console.log(last);
/*
Output: 8
*/
// Method - 3 (Array.prototype.pop())
const arr = [5, 3, 2, 7, 8];
const last = arr.slice(-1).pop();
console.log(last);
/*
Output: 8
*/
// Method - 4 (Underscore/Lodash Library)
const _ = require("underscore");
const arr = [5, 3, 2, 7, 8];
const last = _.last(arr);
console.log(last);
/*
Output: 8
*/จาวาสคริปต์ได้สุดท้ายของธาตุอาเรย์
var foods = ["kiwi","apple","banana"];
var banana = foods[foods.length - 1]; // Getting last elementจาวาสคริปต์ได้เมื่อรายการที่อยู่ในตารางคู่ลำดับ
var colors = ["red","blue","green"];
var green = colors[colors.length - 1]; //get last item in the array
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