p5.js Instance Mode: Cannot read property '0' of undefined

p5.js Instance Mode: Cannot read property '0' of undefined

By : Lily Wang
Date : November 21 2020, 11:01 PM
I wish did fix the issue. You only need to use the s variable for stuff that's coming from P5.js, like mouseX or the setup() function.
For stuff that you're declaring, like the pulses and pulsesAmount variables, you don't use the s variable. So your for loop should look like this:
code :
for (var i = 0; i < pulsesAmount; i++) {
pulses = s.push(new Pulse());
s.append(pulses, new Pulse());

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Cannot read property on Object (undefined?) inside instance

Cannot read property on Object (undefined?) inside instance

By : سایت سازان
Date : March 29 2020, 07:55 AM
wish helps you When you set the onMouseMove handler for some_html_element the function is not bound to your MyClass instance. You can fix this by explicitly binding it:
code :
MyClass = function(some_html_element){
  this.guy = {"prop1":[]};
  some_html_element.onmousemove = this.onMouseMove.bind(this);
Cannot read property of '__dartClass__' of undefined even though i set to a new instance

Cannot read property of '__dartClass__' of undefined even though i set to a new instance

By : javed Khan
Date : March 29 2020, 07:55 AM
wish helps you This behavior is most probably related to a change in polymer that started notifing null properties from a certain version on and the "official" dart-polymer not being updated after that.
Try using the latest realeases from https://www.dart-polymer.com/polymer1/ and see if this is still happening.
How to fix: 'Cannot read property of undefined' of an object instance?

How to fix: 'Cannot read property of undefined' of an object instance?

By : B0ltzmann
Date : March 29 2020, 07:55 AM
seems to work fine I am trying to make a MVC pattern for a tinder clone (It's for a school project). , Use .bind(this) each time you call likeUser()
code :
this.listen('.btn__like', 'click', this.likeUser.bind(this));
this.likeUser = this.likeUser.bind(this);
Cannot read property 'mode' of undefined

Cannot read property 'mode' of undefined

By : iharakenji
Date : March 29 2020, 07:55 AM
Hope that helps Very simple AJAX request, but it's not working at all. Getting this error i've never seen before: , Got the answer! I was using the slim version of jquery...
Cannot read property 'getExtension' of undefined - While running file in debug mode

Cannot read property 'getExtension' of undefined - While running file in debug mode

By : Larsf
Date : October 24 2020, 06:10 PM
this one helps. I just got this issue and it was because of something wrong I had typed in my envFile.
(This is what I had in my launch.json)...
code :
            "envFile": "${workspaceFolder}/bin/.env-debug"
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