Maximum Call Stack Size Exceeded – [Javascript Error]

While development you might face this error very rarely, mainly when dealing with third-party libraries or using callback functions in your javascript or angular code.

You might be wondering about the purpose of this error and want to dig it up more! In this article, I will show you what is this error, how to reproduce it, and how much harm is it. and what is a possible solution to overcome this error?

Scenario for Maximum Call Stack Size Exceeded Error

In your code, the possibility is, You are calling a function that is calling another function and that function is calling another function.

Most browsers will execute functions inside functions until their default call stack limit is exceeded. This is the fundamental theory known as a “Recursion”.

When you add import the same library or file twice or more, you may get this error too.

How to replicate the “Maximum Call Stack Size Exceeded” error?

If you write a function and call it recursively, you can reproduce the same error. Let’s say we have a recursiveFn() function, which is calling itself. To understand how many times it was called, let me add a counter incrementor to check the recursion call stacks.

Hit the above code snippet in your browser’s developer console of your incognito browser. (I recommend you to use the incognito or private window to be SAFE!)

The code snippet is accessible on JsFiddle for your reference.

The output will be shown below:

In most cases, after executing the same function 10429 times recursively (Check the counter flag), it will reach its max call stack limit.

Also keep in mind that, some modern browsers also handle such scenarios by handling try-catch blocks. It might be possible that different browsers might have huge or small stack limits for calling functions recursively.

Solution:

As shown above, in the example, a function will be called recursively until it hits the maximum call stack limit. So if you set the limit and exit the execution before it hits its limit, you can resolve the error.

You can access the code snippet on jsFiddle. Limiting the number of call stacks will fix the error. You can use the developer console or debugger to check function calls when the error happens.

If you are using node, you can increase or decrease — in short, you can manage size limits using the following argument.

node --stack-size=100

Hope it will fix your issue. If you have any concerns feel free to write below in the comment section.

Bonus Tip to Know Recursion Live:

I believe You are using the google search engine in your daily life. Just type “Recursion” in the search bar. It will show “Did you mean: recursion” . If you click on the recursion link, it will again load the same page.

Hope this solution will work for you.

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Solution for Maximum call stack size exceeded error

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Originally published on BeingCoders - JS Error Maximum Call stack size exceeded.