en.javascript.info/1-js/11-async/02-promise-basics/head.html
2019-03-05 18:44:28 +03:00

13 lines
330 B
HTML

<script>
function loadScript(src) {
return new Promise(function(resolve, reject) {
let script = document.createElement('script');
script.src = src;
script.onload = () => resolve(script);
script.onerror = () => reject(new Error("Script load error: " + src));
document.head.append(script);
});
}
</script>