noCanvas() shows error in the console

[darkwave]

Most appropriate sub-area of p5.js?

• Accessibility
• Color
• Core/Environment/Rendering
• Data
• DOM
• Events
• Image
• IO
• Math
• Typography
• Utilities
• WebGL
• Build process
• Unit testing
• Internationalization
• Friendly errors
• Other (specify if possible)

p5.js version

1.11.1

Web browser and version

Chrome 135.0.7049.52

Operating system

Linux

Steps to reproduce this

Steps:

1. Copy noCanvas() example
2. Run
3. Get errors

Snippet:

function setup() {
  noCanvas();
}

Error generated:

TypeError: Cannot read properties of null (reading 'parentNode')
    at _main.default._createOutput (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:53791:59)

    at _main.default.textOutput (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:53617:18)

    at _ensureAccessibleCanvas (/index.html:22:43)

    at p5.callRegisteredHooksFor (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66152:30)

    at _setup (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66317:21)

    at _runIfPreloadsAreDone (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66228:27)

    at p5._decrementPreload (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66239:25)

    at p5.<anonymous> (https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/addons/p5.sound.min.js:2:98292)

Followed by the "pretty version":

🌸 p5.js says: 
[p5.js, line 53791] The property of null can't be read. In javascript the value null indicates that an object has no value.

+ More info: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cant_access_property#what_went_wrong 
┌[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:53791:59] 
	 Error at line 53791 in _main.default._createOutput()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:53617:18] 
	 Called from line 53617 in _main.default.textOutput()
└[blob:https://preview.p5js.org/63423829-9061-4aaa-bdb3-912461faf2c9:22:43] 
	 Called from line 22 in _ensureAccessibleCanvas()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66152:30] 
	 Called from line 66152 in p5.callRegisteredHooksFor()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66317:21] 
	 Called from line 66317 in _setup()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66228:27] 
	 Called from line 66228 in _runIfPreloadsAreDone()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/p5.js:66239:25] 
	 Called from line 66239 in p5._decrementPreload()
└[https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.11.3/addons/p5.sound.min.js:2:98292] 
	 Called from line 2 in p5.<anonymous>()
 

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[ksen0]

HI @darkwave ! I tried to reproduce here and was not able to: https://editor.p5js.org/ksen0/sketches/Mj_B30bik

Could you give a bit more detail about your setup? If it's possible to reproduce this error in the p5.js Editor, could you share a link here please?

[perminder-17]

I am not sure much, but it looks like something went wrong in the index.html file where you tried importing libraries. Can you share your index.html file as well?

[ksen0]

Hi all, I'll close this because it's not clear if this is a bug, but please feel free to reopen with further findings! If it's an issue in the specific sketch, please feel free to ask for help in the Discourse forum

[darkwave]

I cannot reproduce the error anymore. That's good news 🥳