javascript – Maximum call stack size exceeded error

The Question :

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I am using a Direct Web Remoting (DWR) JavaScript library file and am getting an error only in Safari (desktop and iPad)

It says

Maximum call stack size exceeded.

What exactly does this error mean and does it stop processing completely?

Also any fix for Safari browser (Actually on the iPad Safari, it says

JS:execution exceeded timeout

which I am assuming is the same call stack issue)

The Question Comments :
  • i got this error when trying to send variables (without declaring them), through data in ajax. Fixed the error by declaring the variables.

The Answer 1

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It means that somewhere in your code, you are calling a function which in turn calls another function and so forth, until you hit the call stack limit.

This is almost always because of a recursive function with a base case that isn’t being met.

Viewing the stack

Consider this code…

(function a() {
    a();
})();

Here is the stack after a handful of calls…

Web Inspector

As you can see, the call stack grows until it hits a limit: the browser hardcoded stack size or memory exhaustion.

In order to fix it, ensure that your recursive function has a base case which is able to be met…

(function a(x) {
    // The following condition 
    // is the base case.
    if ( ! x) {
        return;
    }
    a(--x);
})(10);

The Answer 2

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You can sometimes get this if you accidentally import/embed the same JavaScript file twice, worth checking in your resources tab of the inspector.

The Answer 3

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In my case, I was sending input elements instead of their values:

$.post( '',{ registerName: $('#registerName') } )

Instead of:

$.post( '',{ registerName: $('#registerName').val() } )

This froze my Chrome tab to a point it didn’t even show me the ‘Wait/Kill’ dialog for when the page became unresponsive…

The Answer 4

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There is a recursive loop somewhere in your code (i.e. a function that eventually calls itself again and again until the stack is full).

Other browsers either have bigger stacks (so you get a timeout instead) or they swallow the error for some reason (maybe a badly placed try-catch).

Use the debugger to check the call stack when the error happens.

The Answer 5

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The problem with detecting stackoverflows is sometimes the stack trace will unwind and you won’t be able to see what’s actually going on.

I’ve found some of Chrome’s newer debugging tools useful for this.

Hit the Performance tab, make sure Javascript samples are enabled and you’ll get something like this.

It’s pretty obvious where the overflow is here! If you click on extendObject you’ll be able to actually see the exact line number in the code.

enter image description here

You can also see timings which may or may not be helpful or a red herring.

enter image description here


Another useful trick if you can’t actually find the problem is to put lots of console.log statements where you think the problem is. The previous step above can help you with this.

In Chrome if you repeatedly output identical data it will display it like this showing where the problem is more clearly. In this instance the stack hit 7152 frames before it finally crashed:

enter image description here

The Answer 6

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In my case, I was converting a large byte array into a string using the following:

String.fromCharCode.apply(null, new Uint16Array(bytes))

bytes contained several million entries, which is too big to fit on the stack.

The Answer 7

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In my case, click event was propagating on child element. So, I had to put the following:

e.stopPropagation()

on click event:

 $(document).on("click", ".remove-discount-button", function (e) {
           e.stopPropagation();
           //some code
        });
 $(document).on("click", ".current-code", function () {
     $('.remove-discount-button').trigger("click");
 });

Here is the html code:

 <div class="current-code">                                      
      <input type="submit" name="removediscountcouponcode" value="
title="Remove" class="remove-discount-button">
   </div>

The Answer 8

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Check the error details in the Chrome dev toolbar console, this will give you the functions in the call stack, and guide you towards the recursion that’s causing the error.

The Answer 9

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If you need a infinite process/recursion running for some reason, you can use a webworker in a seperate thread. http://www.html5rocks.com/en/tutorials/workers/basics/

if you want to manipulate dom elements and redraw, use animation http://creativejs.com/resources/requestanimationframe/

The Answer 10

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Nearly every answer here states that this can only be caused by an infinite loop. That’s not true, you could otherwise over-run the stack through deeply nested calls (not to say that’s efficient, but it’s certainly in the realm of possible). If you have control of your JavaScript VM, you can adjust the stack size. For example:

node --stack-size=2000

See also: How can I increase the maximum call stack size in Node.js

The Answer 11

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In my case, two jQuery modals were showing stacked on top of each other. Preventing that solved my problem.

The Answer 12

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We recently added a field to an admin site we are working on – contact_type… easy right? Well, if you call the select “type” and try to send that through a jquery ajax call it fails with this error buried deep in jquery.js Don’t do this:

$.ajax({
    dataType: "json",
    type: "POST",
    url: "/some_function.php",
    data: { contact_uid:contact_uid, type:type }
});

The problem is that type:type – I believe it is us naming the argument “type” – having a value variable named type isn’t the problem. We changed this to:

$.ajax({
    dataType: "json",
    type: "POST",
    url: "/some_function.php",
    data: { contact_uid:contact_uid, contact_type:type }
});

And rewrote some_function.php accordingly – problem solved.

The Answer 13

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I was facing same issue I have resolved it by removing a field name which was used twice on ajax e.g

    jQuery.ajax({
    url : '/search-result',
    data : {
      searchField : searchField,
      searchFieldValue : searchField,
      nid    :  nid,
      indexName : indexName,
      indexType : indexType
    },
.....

The Answer 14

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Check if you have a function that calls itself. For example

export default class DateUtils {
  static now = (): Date => {
    return DateUtils.now()
  }
}

The Answer 15

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This can also cause a Maximum call stack size exceeded error:

var items = [];
[].push.apply(items, new Array(1000000)); //Bad

Same here:

items.push(...new Array(1000000)); //Bad

From the Mozilla Docs:

But beware: in using apply this way, you run the risk of exceeding the JavaScript engine’s argument length limit. The consequences of applying a function with too many arguments (think more than tens of thousands of arguments) vary across engines (JavaScriptCore has hard-coded argument limit of 65536), because the limit (indeed even the nature of any excessively-large-stack behavior) is unspecified. Some engines will throw an exception. More perniciously, others will arbitrarily limit the number of arguments actually passed to the applied function. To illustrate this latter case: if such an engine had a limit of four arguments (actual limits are of course significantly higher), it would be as if the arguments 5, 6, 2, 3 had been passed to apply in the examples above, rather than the full array.

So try:

var items = [];
var newItems = new Array(1000000);
for(var i = 0; i < newItems.length; i++){
  items.push(newItems[i]);
}

The Answer 16

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For me as a beginner in TypeScript, it was a problem in the getter and the setter of _var1.

class Point2{
    
    constructor(private _var1?: number, private y?: number){}

    set var1(num: number){
        this._var1 = num  // problem was here, it was this.var1 = num
    }
    get var1(){
        return this._var1 // this was return this.var1
    }
}

The Answer 17

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Both invocations of the identical code below if decreased by 1 work in Chrome 32 on my computer e.g. 17905 vs 17904. If run as is they will produce the error “RangeError: Maximum call stack size exceeded”. It appears to be this limit is not hardcoded but dependant on the hardware of your machine. It does appear that if invoked as a function this self-imposed limit is higher than if invoked as a method i.e. this particular code uses less memory when invoked as a function.

Invoked as a method:

var ninja = {
    chirp: function(n) {
        return n > 1 ? ninja.chirp(n-1) + "-chirp" : "chirp";
    }
};

ninja.chirp(17905);

Invoked as a function:

function chirp(n) {
    return n > 1 ? chirp( n - 1 ) + "-chirp" : "chirp";
}

chirp(20889);

The Answer 18

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you can find your recursive function in crome browser,press ctrl+shift+j and then source tab, which gives you code compilation flow and you can find using break point in code.

The Answer 19

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I also faced similar issue here is the details when uploading logo using dropdown logo upload box

<div>
      <div class="uploader greyLogoBox" id="uploader" flex="64" onclick="$('#filePhoto').click()">
        <img id="imageBox" src="{{ $ctrl.companyLogoUrl }}" alt=""/>
        <input type="file" name="userprofile_picture"  id="filePhoto" ngf-select="$ctrl.createUploadLogoRequest()"/>
        <md-icon ng-if="!$ctrl.isLogoPresent" class="upload-icon" md-font-set="material-icons">cloud_upload</md-icon>
        <div ng-if="!$ctrl.isLogoPresent" class="text">Drag and drop a file here, or click to upload</div>
      </div>
      <script type="text/javascript">
          var imageLoader = document.getElementById('filePhoto');
          imageLoader.addEventListener('change', handleImage, false);

          function handleImage(e) {
              var reader = new FileReader();
              reader.onload = function (event) {

                  $('.uploader img').attr('src',event.target.result);
              }
              reader.readAsDataURL(e.target.files[0]);
          }
      </script>
      </div>

CSS.css

.uploader {
  position:relative;
  overflow:hidden;
  height:100px;
  max-width: 75%;
  margin: auto;
  text-align: center;

  img{
    max-width: 464px;
    max-height: 100px;
    z-index:1;
    border:none;
  }

  .drag-drop-zone {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: 32px;
  }
}

.uploader img{
  max-width: 464px;
  max-height: 100px;
  z-index:1;
  border:none;
}



.greyLogoBox {
  width: 100%;
  background: #EBEBEB;
  border: 1px solid #D7D7D7;
  text-align: center;
  height: 100px;
  padding-top: 22px;
  box-sizing: border-box;
}


#filePhoto{
  position:absolute;
  width:464px;
  height:100px;
  left:0;
  top:0;
  z-index:2;
  opacity:0;
  cursor:pointer;
}

before correction my code was :

function handleImage(e) {
              var reader = new FileReader();
              reader.onload = function (event) {
                  onclick="$('#filePhoto').click()"
                  $('.uploader img').attr('src',event.target.result);
              }
              reader.readAsDataURL(e.target.files[0]);
          }

The error in console:

enter image description here

I solved it by removing onclick="$('#filePhoto').click()" from div tag.

The Answer 20

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I know this thread is old, but i think it’s worth mentioning the scenario i found this problem so it can help others.

Suppose you have nested elements like this:

<a href="#" id="profile-avatar-picker">
    <span class="fa fa-camera fa-2x"></span>
    <input id="avatar-file" name="avatar-file" type="file" style="display: none;" />
</a>

You cannot manipulate the child element events inside the event of its parent because it propagates to itself, making recursive calls until the exception is throwed.

So this code will fail:

$('#profile-avatar-picker').on('click', (e) => {
    e.preventDefault();

    $('#profilePictureFile').trigger("click");
});

You have two options to avoid this:

  • Move the child to the outside of the parent.
  • Apply stopPropagation function to the child element.

The Answer 21

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I had this error because I had two JS Functions with the same name

The Answer 22

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If you are working with google maps, then check if the lat lng are being passed into new google.maps.LatLng are of a proper format. In my case they were being passed as undefined.

The Answer 23

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The issue in my case is because I have children route with same path with the parent :

const routes: Routes = [
  {
    path: '',
    component: HomeComponent,
    children: [
      { path: '', redirectTo: 'home', pathMatch: 'prefix' },
      { path: 'home', loadChildren: './home.module#HomeModule' },
    ]
  }
];

So I had to remove the line of the children route

const routes: Routes = [
  {
    path: '',
    component: HomeComponent,
    children: [
      { path: 'home', loadChildren: './home.module#HomeModule' },
    ]
  }
];

The Answer 24

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in my case I m getting this error on ajax call and the data I tried to pass that variable haven’t defined, that is showing me this error but not describing that variable not defined. I added defined that variable n got value.

The Answer 25

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Have come accross the same issue, coulnd’t figured out what’s wrong started blaming Babel 😉

Having code not returning any exception in browsers :

if (typeof document.body.onpointerdown !== ('undefined' || null)) {

issue was badly created || (or) part as babel creates its own type check:

function _typeof(obj){if(typeof Symbol==="function"&amp;&amp;_typeof(Symbol.iterator)==="symbol")

so removing

|| null

made babel transpilation worked.

The Answer 26

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In my case I by mistake i have assigned same variable name , and to val function “class_routine_id”

var class_routine_id = $("#class_routine_id").val(class_routine_id);

it should be Like :

 var class_routine_id = $("#class_routine_id").val(); 

The Answer 27

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in Angular, if you’re using mat-select and have 400+ options, this error may occur https://github.com/angular/components/issues/12504

you have to update @angular/material version

The Answer 28

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I am using React-Native 0.61.5 along with (npm 6.9.0 & node 10.16.1)

While I am install any new libraries in Project I got an of

(e.g. npm install @react-navigation/native –save)

Maximum call stack size exceeded error

for that, I try

sudo npm cache clean –force

(Note:- Below command usually take time 1 to 2 minutes depending on your npm cache size)

The Answer 29

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In my case, I basically forget to get the value of input.

Wrong

let name=document.getElementById('name');
param={"name":name}

Correct

let name=document.getElementById('name').value;
param={"name":name}

The Answer 30

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if you are using react native and facing this issue then one of the possibility is that some of your react-native package version is old so first uninstall that package and install the new stable version of that package.

  1. npm uninstall your_package_name

  2. npm install your_package_name

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