demo/dist/demo.js
function loadScript(url) {
	  return new Promise(function (resolve, reject) {
	    loadjs_umd(url, {
	      success: resolve,
	      error: reject
	    });
	  });
	}
function loadScript(url) {
	  return new Promise(function (resolve, reject) {
	    loadjs_umd(url, {
	      success: resolve,
	      error: reject
	    });
	  });
	}
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