3 examples of 'js download' in JavaScript

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export function download(url) {
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  const iframe = document.createElement("iframe");
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  iframe.src = url;
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  iframe.style.display = "none";
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  document.body.appendChild(iframe);
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}

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function download(filename, url) {
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    var a = window.document.createElement('a'),
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        bd = document.querySelector('body');
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    bd.appendChild(a);
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    a.setAttribute('href', url);
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    a.setAttribute('download', filename);
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    a.click();
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    bd.removeChild(a);
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}

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function download(url: string, filename: string) {
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  console.log(`download ${url}...`)
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  return new Promise((resolve) => {
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    request(url, resolve).pipe(fs.createWriteStream(filename))
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  });
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}