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TypeError: a.onload no es una función

Después de leer Image, quiero usar drawImage de canvas.

pero la identificación no funciona. cuando llamo onload,

 TypeError: a.onload is not a function

ocurrió.

¿qué ocurre?

 let ctx = new Image(); ctx.onload(() => { this.compositedImage.drawImage(ctx, 0, 0, ctx.width, ctx.height, 0, 0, is.compositedCanvas.width, this.compositedCanvas.height); resolver(this); }, this);

está escrito en un contexto de Promesa, entonces, ¿está relacionado con esto?

Por favor, ayúdame....

about 4 years ago · Juan Pablo Isaza
1 answers
Answer question

0

ctx.onload = () => {} o mejor use addEventListener como este ctx.addEventListener('load', () => {})

about 4 years ago · Juan Pablo Isaza Report
Answer question
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