let name = decodeURI($("#audio1").prop("src").replace("http://localhost:8443/Blog/src/audio/", "").replace(".mp3", "")); $("input[id*=ml]").each(function () { let val = $(this).val(); let now = null; // console.log(name); if (val.indexOf("正在播放") !== -...
files[0]; // 获取文件后缀 let ext = file.name.substring(file.name.lastIndexOf('.')); // 不是图片 if (img_exts.indexOf(ext) == -1) { alert("请上传图片,这个文件格式不支持哦~"); return } // 实例化文件读取器 let reader = new FileReader(); // base64的方式读取文件 reader....
fileBtn.onchange=function(){letfile =this.files[0];// 判断后缀是否合法letextension = file.name.substring(file.name.lastIndexOf('.'));letimages = [".jpg",".jpeg",".png",".gif",".ico"];letflag =false;for(leti=0;i<images.length;i++){if(images[i] === extension){ flag =true...
7.1 DOMTokenList 这里主要介绍了 DOMTokenList一个接口,表示一组用空格分隔的标记,比如Element.classList, HTMLLinkElement.relList, HTMLAnchorElement.relList, HTMLAreaElement.relList, HTMLIframeElement.sandbox, or HTMLOutputElement.htmlFor的返回值,可以像数组一样从下标0开始处理,对大小写敏感 7.1.1 属性 DO...
Now, let’s examine the <video> element.As we discussed above, the video element has support for multiple sources, which it will try in order and then fall down to the next option.Like audio, video has a controls attribute. Here is a screenshot of the video controls in Internet ...
let source = null; // 用时间戳模拟登录用户 const userId = new Date().getTime(); if (!!window.EventSource) { // 建立连接 source = new EventSource('http://127.0.0.1:8844/sse/connect/' + userId); /**
Let’s try our hand at doing some of this ourselves! Check out the demo to see this in action, where I convert the video to grayscale on the fly. Video made greyscale with canvas manipulation The HTML for the page is basically identical: <video id=v controls loop> <source src=video...
With a few simple options, you can autoplay, loop, and add playback controls to the embedded video. First, let’s talk about video format support, which is a very complicated issue. Some video formats are free, and others are licensed. Some formats look better than others, some make ...
If you have any cool ideas or features, please let me know by creating an issue or, of course, forking and sending a pull request.CMS pluginsWordPressCreated and maintained by Ryan Anthony Drake (@iamryandrake)NeosCreated and maintained by Jon Uhlmann (@jonnitto)...
Let’s take a quick look at the code necessary to create our game timer. Game Timer Loop Games on HTML5 Canvas require the use of the repeated update/render loop to simulate animation. We do this by using the setInterval() JavaScript function, which will repeatedly call a function of ...