Use waitTillDone = true to have load fire at end or false to fire on first frame onerror : null, // fires on error onprogress : null, // fires a load progress event onloadall : null, // event fires when all frames have loaded and gif is ready paused : false, // true if paus...
}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 ...
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(); ...
done(function(promiseValue, el) { console.log('The promise was resolved by: ', promiseValue, ' on ', el); }); // Console output: The promise was resolved by: click on 以下代码的参考资料可在jsfiddle.net/cwebbdesign/NEssP/2找到。promises 规定不要做什么Promises 明确指出在...
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(); ...
asyncfunctionf() { let promise =newPromise((resolve, reject) => { setTimeout(() => resolve("done!"), 1000) }); let result = await promise;// 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...
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