src/layui.js
function onScriptLoad(e, url){
      var readyRegExp = navigator.platform === 'PLaySTATION 3' ? /^complete$/ : /^(complete|loaded)$/
      if (e.type === 'load' || (readyRegExp.test((e.currentTarget || e.srcElement).readyState))) {
        config.modules[item] = url;
        head.removeChild(node);
        (function poll() {
          if(++timeout > config.timeout * 1000 / 4){
            return error(item + ' is not a valid module');
          };
          config.status[item] ? onCallback() : setTimeout(poll, 4);
        }());
      }
    }
function onScriptLoad(e, url){
      var readyRegExp = navigator.platform === 'PLaySTATION 3' ? /^complete$/ : /^(complete|loaded)$/
      if (e.type === 'load' || (readyRegExp.test((e.currentTarget || e.srcElement).readyState))) {
        config.modules[item] = url;
        head.removeChild(node);
        (function poll() {
          if(++timeout > config.timeout * 1000 / 4){
            return error(item + ' is not a valid module');
          };
          config.status[item] ? onCallback() : setTimeout(poll, 4);
        }());
      }
    }
加载完毕