<div id="show"></div>
    <script type="text/javascript">
        let show = document.getElementById('show');
        function addShow(e){            
            show.innerHTML += e; 
            return console.log(show.innerHTML);
        }
        async function pause(){
            
            for(let i = 0; i < 10;i++){
                
                let showData = new Promise((resolve,reject)=>{
                                        
                    setTimeout(()=>{
                        let makeSure = confirm('确认继续？');
                        //在调用 confirm() 时，将暂停对 JavaScript 代码的执行，在用户作出响应之前，不会执行下一条语句。直到这个对话框被点击后, 后面的脚本才会运行.
                        
                        if(makeSure === true){
                            addShow(i);
                            resolve();
                        }else{
                            console.log('loop is stop');
                            reject();
                        }
                    },2000)                    
                });
                
                await showData;
                // console.log(i);
            }
        }
        pause();
        
        
    </script>