RangeDownloader-js

用JavaScript实现支持断点续传的下载器

Compatibility

Version	Depend	IE	Chrome	Firefox	Safari
Main	Fetch	No	39+	42+	10.1+
Compatible	XHR	10+	39+	42+	10.1+

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Demo

let downloader = new RangeDownloader({
  url: "https://local.zapic.moe/test.bin",
  onload: (self) => {
    let res = self.getResultAsBlob();
    let ele = document.createElement("a");
    ele.download = "test.bin";
    ele.href = URL.createObjectURL(res);
    document.body.append(ele);
    ele.click();
    URL.revokeObjectURL(res);
    self.cancel();
  },
  onprogress: (self) => {
    console.log(self.downloadedSize.toString() + " / " + self.totalSize.toString());
  }
});
downloader.start();
setTimeout(()=>{
  downloader.pause();
  setTimeout(()=>{
    downloader.start();
  },1000);
},1000);