TypeScript tuples

1. Tuple definition

Store collections of elements of different types

2. Declare tuples

// 声明并初始化
var mytuple = [10, "Runoob"];
var mytuple1: [number, string] = [10, "Runoob"];

// 先声明后初始化
var mytuple = []; 
mytuple[0] = 120 
mytuple[1] = "ming"

3. Tuple operations

  • push()Add elements to the tuple, adding at the end

  • pop()Removes an element (the last one) from the tuple and returns the removed element

var mytuple = []; 
mytuple[0] = 120;
mytuple[1] = "ming";
mytuple.push("hwm");

mytuple.forEach(element => {
    
    
    console.log(element)
});							// 120, ming, hwm

console.log(mytuple.pop());	// hwm

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転載: blog.csdn.net/weixin_45136016/article/details/130106973