René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"load script for old browsers (experimental)","articleBody":"function load(uri, names) {\n\n  if (!uri instanceof URL) {\n    throw new Error('uri must be an instance of URL');\n  }\n\n  if (!Array.isArray(names)) {\n    throw new Error('names must be an array');\n  }\n\n  const xhr = new XMLHttpRequest();\n  xhr.open('GET', uri, false);\n  xhr.send();\n\n  if (xhr.status !== 200) {\n    throw new Error('Error al cargar el script: ' + xhr.status);\n  }\n\n  let tail = '; ({ __esModule: true, ' + names.join(', ') + '});';\n  const code = xhr.responseText + tail;\n  const module = eval(code);\n  return module;\n}\n\nconst m1 = load(new URL('https://unpkg.com/react@18/umd/react.development.js'), ['React']);\nconst m2 = load(new URL('https://unpkg.com/react-dom@18/umd/react-dom.development.js'), ['ReactDOM']);","author":{"url":"https://github.com/virtualitems","@type":"Person","name":"virtualitems"},"datePublished":"2025-03-04T08:20:43.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/22/javascript-toolkit/issues/22"}