}functioncheckFlightPlan() {console.log('checking flight plan');returnnewPromise(function(resolve) {setTimeout(function() {console.log('flight plan check completed');resolve(Math.random() <0.9) },350) }); }functioncheckNavigationSystem() {console.log('checking navigation system');returnnewPromi...
Note that the main function is declared asyc await pause(3*1000) console.log('done'); }Run Code Online (Sandbox Code Playgroud) Noe*_*out 5 另一种方法是使用 Promise 和 setTimeout (请注意,您需要位于函数内部,并使用 async 关键字将其设置为异步): async yourAsynchronousFunction () { ...
out.println("JQuery call is in Progress"); return isJqueryCallDone; }, timeoutInSeconds); } In the above, Until method is called, which pass driver and Function as wait condition as parameter. That wait condition is actually our Ajax query. If it is too much to understand, try to ...
asyncfunctionf(){letpromise=newPromise((resolve,reject)=>{setTimeout(()=>resolve("done!"),1000)});letresult=awaitpromise;// wait till the promise resolves (*)alert(result);// "done!"}f(); 函数执行将会在 let result = await promise 这一行暂停,直到Promise返回结果,因此上述代码将会1秒后,...
if (!gif.waitTillDone && typeof gif.onload === "function") { doOnloadEvent() }// if !waitTillDone the call onload now after first frame is loaded }; // **NOT** for commercial use. function finnished() { // called when the load has completed ...
async function f() { let promise = new Promise((resolve, reject) => { setTimeout(() => resolve("done!"), 1000) }); let result = await promise; // wait till the promise resolves (*) alert(result); // "done!" } f(); ...
async function f() { let promise = new Promise((resolve, reject) => { setTimeout(() => resolve("done!"), 1000) }); let result = await promise; // wait till the promise resolves (*) alert(result); // "done!" } f(); ...
alert(`Cool, the ${script.src} is loaded`); alert( _ ); // function declared in the loaded script }); 最后一行loadScript的调用可以读作:异步函数loadScript载入脚本,并在载入执行完毕后调用毁掉函数弹出提示框。 1.2.异步动作的顺序执行
mySleepFunction repetitively but setTimeout event in it returns promise only once after it is called. After every 5000 milliseconds that are 5 seconds the message “Sample Sleep Execution with the help of timeout event” will be displayed along with the counter value. This will be done 10 ...
async function f() { let promise = new Promise((resolve, reject) => { setTimeout(() => resolve("done!"), 1000) }); let result = await promise; // wait till the promise resolves (*) alert(result); // "done!" } f(); ...