HTML5 role有哪些参数 html5value 1.标签的control属性 在html5中,可以在标签内部放置一个表单元素,并且通过该标签的control属性来访问该表单元素。 <script> function setValue(){ var label=document.getElementById("label"); var txtbox=label. control; textbox.value="010000"; } </script> <form> <la...
= Html::tag('p', Html::encode($user->name), ['class' => 'username']) ?> 这个方法的第一个参数是标签名称。第二个是要装入到开始和结束标签间的内容。注意到我们使用 Html::encode 。那是因为内容不会被自动的转码以允许在有需要的时候嵌套 HTML。第三个参数是一个 HTML 配置数组,或者换言之,...
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Roles indicate the type of element in a meaningful way. Suppose a screen reader comes across an HTML element on a page that includes role=navigation. The screen reader will know this HTML element is for navigation, and the user will be able to access navigation directly instead of tabbing th...
Another new element in HTML5 is the <canvas> tag. It’s just what it sounds like——a blank surface for drawing. You need to use JavaScript to manipulate and draw on the canvas.You may want to give your canvas element an id attribute so you can programmatically access it from your ...
Please note that --type parameter in this case plays important role as it not only defines which compressor mode to use, but also which files to compress. For HTML type only *.html and *.htm files are processed, for XML - only *.xml. If type is not explicitly set, it defaults to ...
<p class="username">samdark</p> 如果你只需要开启一个标签或者关闭一个标签,你可以使用 Html::beginTag() 和Html::endTag() 方法。 标签属性( Options )在 Html 帮助类很多方法和大量的小部件中都有使用。在这些情况下, 有一些额外的处理我们需要知道: ...
</p> <p class="alert alert-success"> Raw denim you probably haven't heard of them jean shorts Austin. </p> </div> <div class="widget-toolbox padding-8 clearfix"> <button class="btn btn-xs btn-danger pull-left">
<!-- This is an img tag which will display an image of Cristiano Ronaldo --> <img src="cristiano-ronaldo.jpg"> <!-- This is a button. Click it and an alert box will show the message "Hello world" --> <button onclick="alert("hello world")> Click </button> ...
<section id="main" class="p-relative" role="main"> <!-- Sidebar --> <aside id="sidebar" style="width: 233px"> <!-- Sidbar Widgets --> <div class="side-widgets overflow"> <!-- Profile Menu --> <!-- Video --> <div class="tile"> <h2 class="tile-title">行...