        

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="1.8" >
            
                <span>
            
                    
                    8. 实用函数
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="1.8.1" data-path="../refguide/autorun-async.html">
            
                <a href="../refguide/aut