SVGImageElement.decoding

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decoding 特性为 SVGImageElement interface represents a hint given to the browser on how it should decode the image.

var refStr = SVGImageElement.decoding
SVGImageElement.decoding = refStr;

A DOMString representing the decoding hint. Possible values are:

sync : Decode the image synchronously for atomic presentation with other content.
async : Decode the image asynchronously to reduce delay in presenting other content.
auto : Default mode, which indicates no preference for the decoding mode. The browser decides what is best for the user.

var img = new Image();
img.decoding = 'sync';
img.src = 'img/logo.svg';

规范	状态	注释
HTML 实时标准 The definition of 'decoding' in that specification.	实时标准	初始定义。

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