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TypeScript | Array push() Method
  • Last Updated : 18 Jun, 2020

The Array.push() is an inbuilt TypeScript function which is used to append the given element(s) in the last of the array and returns the length of the new array. 
Syntax:

 array.push(element1, ..., elementN)

Parameter: This method accept a single parameter as mentioned above and described below:

  • element1, …, elementN : This parameter is the elements to add to the end of the array.

Return Value: This method returns the length of the new array. 
Below examples illustrate Array push() method in TypeScript:

Example 1: 

JavaScript






<script>
    // Driver code
    var arr = [ 11, 89, 23, 7, 98 ]; 
  
    // use of push() method 
    var val = arr.push(8)
       
    // printing element
    console.log( arr );
</script>

Output: 

[11,89,23,7,98,8]

Example 2: 

JavaScript




<script>
    // Driver code
    var arr = [2, 5, 6, 3, 8, 9]; 
    var val,j=0;
   
    // use of push() method    
    for(j=0; j<4 ; j++){
      var y = arr[j];
      var x = y * j;
      val = arr.push(x);
    }
    // printing element
    console.log( arr );
</script>

Output: 

[2,5,6,3,8,9,0,5,12,9]



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