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**Description:**
As part of the project, we need to explore and understand the capabilities and usage of the JavaScript Canvas API. The JavaScript Canvas API allows for dynamic, scriptable rendering …
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**Feature Description**
The willReadFrequently attribute in the HTML Canvas API optimizes performance by informing the browser that frequent read operations will be performed on the canvas. This is e…
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All code in index.js of this example:
```
//=======================================
// Initialize the screen canvas
//=======================================
var width = window.innerWidth;
var heigh…
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做前端的同学应该都知道，Canvas是浏览器中很重要的一个绘图元素，使用它可以绘制2D图形或者3D图形，要绘制2D或3D图形时，需要获取不同的上下文，最常用的两个上下文是**2d上下文**和**webgl上下文**。
```js
const canvas = document.querySelector('canvas');
const context = canvas.getConte…
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**TypeScript Version:** 2.5.3
**Code:**
```ts
let canvas: HTMLCanvasElement = document.createElement("canvas");
let ctx: CanvasRenderingContext2D = canvas.getContext("2d");
ctx.fillRect(0, 0, …
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There is an exception occured when call the `destroy` method.
My code is below, some modification of the grunt demo
```html
```
```javascript
const anim = bodymovin.loadAnimation({
..., …
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Hey!
I want to use `GPUOffscreenCanvas` with 2 context but when calling this code:
```ts
const canvas = new GPUOffscreenCanvas(1024, 1024);
const context = canvas.getContext('2d');
consol…
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**Is your feature request related to a problem? Please describe.**
Is there an option to access graph canvas context, because this gives me null:
```
const controls = this.graphRef.current.controls…
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```cr
require "./web"
window = Web.window
console = window.console
document = window.document
# I had to do this to compile:
console.log JS::String.new("Width: #{window.inner_width}")
conso…
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Firenvim broke in latest thunderbird betas.