由于调用了resolve,使得Promise立即转换为resolve状态,// 这也促使p.then(fn)中的函数fn被立即放入microTask队列中,因此fn将会在// 本轮事件循环的结束时执行,而不是下一轮事件循环的开始时执行;// 3. setTimeout属于macroTask,是在下一轮事件循环中执行;//答案:// 2 3 5 4 1...
AI代码解释 classLegacySandBox{addedPropsMapInSandbox=newMap();modifiedPropsOriginalValueMapInSandbox=newMap();currentUpdatedPropsValueMap=newMap();proxyWindow;setWindowProp(prop,value,toDelete=false){if(value===undefined&&toDelete){deletewindow[prop];}else{window[prop]=value;}}active(){this.curre...
element text from phantomjs.org unrandomize.js modifies a global object at page initialization waitfor.js waits until a test condition is true or a timeout occurs # Network detectsniff.js detects if a web page sniffs the user agent loadspeed.js computes the loading speed of a web site ...
你可以同时在Electron的主进程和渲染进程使用Node.js API,)所有在Node.js可以使用的API,在Electron中同样可以使用。 import{shell}from'electron';importosfrom'os';document.getElementById('btn').addEventListener('click',()=>{shell.showItemInFolder(os.homedir());}) 有一个非常重要的提示: 原生Node.js模...
it("has the expected html structure",() =>{expect(cmp.element).toMatchSnapshot(); }); 这将创建一个test/__snapshots__/App.test.js.snap文件。让我们打开并检查它: // Jest Snapshot v1, https://goo.gl/fbAQLPexports['App.test.js has the expected html structure 1'] =' ...
Make <textarea> a void element (#3465) 2个月前 LICENSE-APACHE Add licenses 7年前 LICENSE-MIT Add licenses 7年前 Makefile.toml Fix cargo make config and tests (#2640) 3年前 README.md updated README.md (#2919) 3年前 SECURITY.md Improve SECURITY.md (#3277) ...
// to add at least one new element, or returns a Failure if a GC occurs. // ... } let arr=[1,3,2,3,4,5]; arr= Array([...new Set(arr)]; // values() 方法返回一个新的 Array Iterator 对象,该对象包含数组每个索引的值 ...
s = checkTime(s)document.getElementById('txt').innerHTML = h +":"+ m +":"+ s t = setTimeout('startTime()',500) }functioncheckTime(i){if(i <10) { i ="0"+ i }returni }<!-- 调用 --> 方法2: 通过οnclick=“function()” 的方法进行调用 文件目录如下: 注意:JS文件夹...
container: The HTML element in which the map will be placed. In the example above, this element is thewith an ID of"map". style: Thestyle URLof the map style being used to determine whichtilesetsthe map includes and how they are styled. The example above uses theMapbox Streets v12sty...
video.js plugin to add a PIP button if the browser supports webkitSupportsPresentationMode videojs-video-element 4791.4.1 A custom element for Video.js with an API that matches the `` API pthumbnails 3631.2.0 Thumbnails on progress bar hover/videojs scrubbing, using VTT files. videojs-vjstra...