SOURCE

let request1 = function(){
                    return new Promise((resolve,reject)=>{
                        setTimeout(()=>{
                            resolve(1);
                        },2000);    
                    })
                }
                let  request2 =function(){
                    return new Promise((resolve,reject)=>{
                        setTimeout(()=>{
                            reject(new Error("--"))
                        },1000);   
                    })
                }
                let  request3 =function(){
                    return new Promise((resolve,reject)=>{
                        setTimeout(()=>{
                            resolve(3);
                        },3000);   
                    })
                }

                let arr = [request1,request2,request3];

                async function LoopData(){

                    for(let i =0; i<arr.length; i++){
                        
                        let data = await arr[i]();
                        console.log("--data--",data);
                    }
                }

                LoopData()