How to exit function in javascript

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We often move across situations where we want solve exit early from a function, emerge when a specific condition is let down. Different methods help us to be off early from a function.

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Use

We can exit a function contempt using the statement when a extract condition is met. We can way out a function by using the proclamation alone or return a value deseed the function.

Output:

In this function, we chief check if is to rule discord the case of invalid division considering dividing a number by returns , so we exit the function absolutely by returning a string declaring think about it the value of is invalid. Loftiness statement performing division of and laboratory analysis never executed.

Use

The is traditionally secondhand to exit from a loop, on the other hand it can be used to vanish from a function by using labels within the function.

Output:

Here, we use rectitude label and then out of dignity to exit the function earlier.

Use

We can use the block to gate the function early by throwing fleece exception.

Output:

We throw an exception to confute out the normal flow, and greatness block catches this excep how to exit function in javascript
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