Function loadScript

test/lib/simpleRequire.js:98–111

(url)

    }

    function loadScript(url) {
        return new Promise(function (resolve, reject) {
            var script = document.createElement('script');
            script.async = true;
            script.onload = function () {
                resolve();
            }
            script.onerror = function () {
                handleLoadError(url, resolve, reject);
            }
            script.src = url;
            document.head.appendChild(script);
        });
    }

    function resolvePath(p) {
        var paths = requireCfg.paths || {};