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web-font-detect

v1.0.10

Published

检测浏览器支持字体

Downloads

21

Readme

JavaScript / CSS 字体检测器

参考fontdetect.js修改的,主要是在操作DOM的时候,用了文档碎片,和复用DOM,减少reflow

使用

安装

npm i web-font-detect

检测一组字体(推荐用)

import FontDetect from "web-font-detect";
var fonts = ["PingFang SC", "Hiragino Sans GB", "microsoft yahei"]
var fontDetect = new FontDetect();
fontDetect.promiseDetects(fonts).then(supportFonts=>{
    console.log(supportFonts)
}); // 返回支持的字体

检测一组字体

import FontDetect from "web-font-detect";
var fonts = ["PingFang SC", "Hiragino Sans GB", "microsoft yahei"]
var fontDetect = new FontDetect();
var supportFonts fontDetect.detects(fonts); // 返回支持的字体
console.log(supportFonts)

单一检测字体

 import FontDetect from "web-font-detect";
 var fontDetect = new FontDetect();
 fontDetect.detect('$fontFamily'); // 返回 boolean值

promiseDetectsdetects区别

promiseDetects在浏览器的requestAnimationFrame事件中检测字体

测试数据和结果(555个字体),测试6次

promiseDetects 平均耗时:1345

1383.2529296875ms
1265.2841796875ms
1262.455810546875ms
1499.126953125ms
1222.503173828125ms
1443.22900390625ms

detects 平均耗时:1364

1424.771240234375ms
1281.14794921875ms
1318.2998046875ms
1360.218017578125ms
1458.3408203125ms
1348.72314453125ms

detect 平均耗时:1749

1778.216064453125ms
1742.853271484375ms
1591.015869140625ms
1761.057861328125ms
1766.262939453125ms
1859.827880859375ms