Spread operators

Spread Operator With Function

<script>    
   function sum(x,y){
      console.log(x)
      document.write(x+y)
    }
    let array1 = [10, 20];
    sum(...array1)
</script>
 

Create new Array with add Multiple Array

<script>     
  let array1 = [10, 20];
    let array2 = [30, 40];
    let array3 = [50, 60];
    //let array = array1.concat(array2);
    let array = [...array1, ...array2, ...array3]
    console.log(array);
</script>
 


Create new Array with add Multiple value

<script>     
    let array1 = [10, 20];
    let array = [...array1,30, 40, 50, 60, 70]
    console.log(array);
</script>