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Questions - onload

Scoping/Async of FileReader .readAsText and .onload methods to fill array with txt data

Using keypresses P and C for two local .txt file-uploads readin50.txt which contains string-val "50" & readin60.txt which contains string-val "60" P-press to upload readin50.tx...
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Jay

javascript

asynchronous

filereader

onload

Votes: 0

Answers: 0

Error in loading drawImage() method in Javascript canvas

I have the following class inside my code: //Collectables const humanImg = new Image(); humanImg.src = "../images/human.png"; const mutationImg = new Image(); mutationImg.src = "../imag...
test-img

Raúl

javascript

canvas

html5-canvas

onload

drawimage

Votes: 0

Answers: 1

Latest Answer

Finally I solved this problem changing the js file to the root. I think it took time looking for the images because it had to look between two folders, I had the js file inside a folder called \js bef...
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Raúl

How do I wait for FileReader onload to complete first

I am working with FileReader and I have come across an issue with the onLoad method of FileReader not being executed synchronously with the rest of the code. Basically I have 2 functions like these: ...
test-img

Hammad Manzoor

javascript

angular

web

filereader

onload

Votes: 0

Answers: 2

Latest Answer

maybe something like this? isImageCorrupt(file): Promise<Boolean> { return new Promise((resolve) => { var reader = new FileReader(); reader.onload = (e) => { ...
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radix

JS : callback function is called when image is loaded but in fact image.complete shows it&#39;s not loaded

Hi everyone and Happy New Year, I'm working on a small game project using JavaScript and I encountered a problem when loading images. I want all the images to be loaded before I display them so I crea...
test-img

Arcane

javascript

addeventlistener

onload

Votes: 0

Answers: 1

Latest Answer

Make the load EventListener an unnamed function. Inside that put the updateChargementImg and return img. There will then be no race or async. img.addEventListener("load", function(){ this.u...
test-img

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