JS Function programs collection
JS program to show the concept of arrow function
1. JS program to print hi using arrow function
<script>
s=()=>//same as function s()
{
console.log("hi");
}
s();
</script>
2. JS program to print sum of two numbers using arrow function
<script>
sum=()=>//same as function sum()
{
var a=30,b=20;
return a+b;
}
console.log(sum());
</script>
Or
traditional way to use function
<script>
function sum()
{
var a=30,b=20;
return a+b;
}
console.log(sum());
</script>
3.JS program to print sum of two numbers using arrow function and passing parameters.
<script>
sum=(a,b)=>//means the function sum is accepting two parameters
{
return a+b;
}
console.log(sum(12,13));
</script>
Or
Or
<script>
sum=(a,b)=> a+b;//means the function sum is accepting two parameters
console.log(sum(12,13));
</script>
Note:We can not use return with a+b e.g. return a+b. Js does not support.
Use under braces. This is called implicit return. It means returning value without using return.
Note:We can not use return with a+b e.g. return a+b. Js does not support.
Use under braces. This is called implicit return. It means returning value without using return.