how to change canvas size in javascript code example

Example 1: js set canvas size

canvas.width = 300;
// or, if you only have the context
ctx.canvas.width = 300;

Example 2: js change canvas resolution

canvasElement.width = 1920;
canvasElement.height = 1080;
// note, canvasElement.style.width != canvasElement.width
// cE.style.width is the size of the canvas and cE.width is it's resolution

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Javascript Example

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