mirror of
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29 lines
722 B
JavaScript
29 lines
722 B
JavaScript
/**
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* JS下载器
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* @author tengge / https://github.com/tengge1
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*/
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function JsLoader() {
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};
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JsLoader.prototype.load = function (url) {
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var head = document.getElementsByTagName('head')[0];
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = url;
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head.appendChild(script);
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return new Promise(resolve => {
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script.onload = event => {
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script.onload = script.onerror = null;
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resolve(script);
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};
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script.onerror = event => {
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script.onload = script.onerror = null;
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console.warn(`JsLoader: ${url}加载失败！`);
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resolve(null);
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};
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});
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};
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export default JsLoader; |