var tuple_name = [value1,value2,value3,…value n]

var mytuple = [10,"Hello"];

var mytuple = []; 
mytuple[0] = 120 
mytuple[1] = 234

tuple_name[index]

var mytuple = [10,"Hello"]; //create a  tuple 
console.log(mytuple[0]) 
console.log(mytuple[1])

10 
Hello

var tup = [] 
tup[0] = 12 
tup[1] = 23 

console.log(tup[0]) 
console.log(tup[1])

12 
23

var mytuple = [10,"Hello","World","typeScript"]; 
console.log("Items before push "+mytuple.length)    // returns the tuple size 

mytuple.push(12)                                    // append value to the tuple 
console.log("Items after push "+mytuple.length) 
console.log("Items before pop "+mytuple.length) 
console.log(mytuple.pop()+" popped from the tuple") // removes and returns the last item

console.log("Items after pop "+mytuple.length)

Items before push 4 
Items after push 5 
Items before pop 5 
12 popped from the tuple 
Items after pop 4

var mytuple = [10,"Hello","World","typeScript"]; //create a  tuple 
console.log("Tuple value at index 0 "+mytuple[0]) 

//update a tuple element 
mytuple[0] = 121     
console.log("Tuple value at index 0 changed to   "+mytuple[0])

Tuple value at index 0 10 
Tuple value at index 0 changed to 121

var a =[10,"hello"] 
var [b,c] = a 
console.log( b )    
console.log( c )

//Generated by typescript 1.8.10
var a = [10, "hello"];
var b = a[0], c = a[1];
console.log(b);
console.log(c);

10 
hello