[Canvas]canvas元素方法和DataURL、Blob

時間 2020-07-19

標籤 canvas 元素方法 dataurl blob 简体版

原文原文鏈接

這裏引用《HTML5 Canvas核心技術》一書中的表1-2，並稍做簡化。屬性描述 getContext() 返回與該Canvas元素相關的繪圖對象。 toDataURL(type,quality) 返回一個數據地址(dataURL)，type：image/jpeg或image/png toBlob(callback,type,args...) 建立一個用於表示此canvas元素圖像文件的B

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1. [Canvas]canvas元素方法和DataURL、Blob
2. Blob/DataURL/canvas/image的相互轉換
3. js和jquery獲取元素的方法
4. video元素和audio元素
5. appium---元素定位方法
6. cssSelector元素定位方法
7. JavaScript：DOM、獲取元素方法
8. selenium元素定位方法
9. js獲取元素方法
10. js刪除元素方法
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