CSS selectors
CSS 选择 器 CSS selector
CSS 选择 器
JQuery and CSS selectors . 通过遍历DOM或者使用CSS选择器 找出并提取数据。 It can find and extract data using CSS selectors or DOM traversal. What's a CSS selector ? It's hugely helpful for duplicating CSS selectors , gradients or table cells. What is CSS selector specificity and how does it work?
Most notably, they argue you should not nest CSS selectors . Specificity refers to how a CSS selector is specific. CSS Selector ".They find one or more elements matching a CSS selector . CSS选择器 规定了CSS规则会被应用到哪些元素上。The selector specifies which elements this CSS rule applies to.The automation is then done by CSS selectors or xpath. In addition, the WXSS only supports some of the CSS selector . 学习CSS选择器 ,了解它如何让你选定DOM的某些部分。 Learn CSS selectors and how they allow you to zero-in on certain parts of the DOM. 这些解决方法一般是利用InternetExplorer的CSS选择器 作用的无关的缺陷以从浏览器中隐藏某些规则。 These workarounds generally exploit unrelated bugs in Internet Explorer's CSS selector processing in order to hide certain rules from the browser. 正是因为CSS选择器 (和级联)非常强大,我们才选择划清界限。 It's precisely because CSS selectors (and the cascade) are so powerful that we choose to put guard rails in place. 另外,你可能会考虑怎么去书写高效的CSS选择器 或是怎么避免冗长低效的样式。 Also, you might want to consider learning how to write efficient CSS selectors as well as how to avoid bloat and expensive styles. 您可以点击每个CSS选择器 来查看结果,其中包括一个小例子,并为每个测试的解释。 You can click on each CSS selector to see the results, including a small example and explanation for each of tests. 在这个层次结构中,每个CSS选择器 都有一些特定的值。 In this hierarchy, every CSS selector has some specific value. CSS选择器 用于目标元素,隐藏元素并等待元素功能标识一个或多个HTML元素。CSS selectors are used in the target element, hide element and wait for element features to identify one or more HTML elements. 您可以看到,将一些简单的CSS选择器 与JavaScript结合使用即可显著更改页面在浏览器中的显示。 You will see how a few simple CSS selectors when combined with JavaScript can significantly change how a page is displayed in a browser. 我没有完全理解CSS选择器 的语法,这是一个巨大的部分彻底了解div为基础的布局。 I didn't fully understand CSS selector syntax, which is such a huge part of grokking div-based layouts. 此外,你可能需要考虑学习如何编写高效的CSS选择器 ,以及如何避免臃肿且耗时的样式。 Also, you might want to consider learning how to write efficient CSS selectors as well as how to avoid bloat and expensive styles. 也看看你的CSS选择器 是通过简单地把你的光标在浏览器中的应用。 You can see where your CSS selector is being applied in the browser, simply by putting your cursor on it. Sass允许您嵌套CSS选择器 ,嵌套方式与HTML的视觉层次结构相同。 Sass allows you to nest your CSS selectors in a way that follows the same visual hierarchy of your HTML. 也看看你的CSS选择器 是通过简单地把你的光标在浏览器中的应用。 Also see where your CSS selector is being applied in the browser by simply putting your cursor on it. Sass允许你嵌套CSS选择器 的方式遵循HTML的相同的视觉层次结构。 SASS lets you nest your CSS selectors in a way that follows the same visual hierarchy of your HTML. 当尝试优化CSS选择器 遍历(像:“id1id2”),这个方法很有用。 This method can be especially useful when attempting to optimize CSS Selector traversals that look like" id1 id2". 而且,你需要考虑如何编写有效的CSS选择器 以及如何避免编写臃肿和开销浪费的样式。 Also, you might want to consider learning how to write efficient CSS selectors as well as how to avoid bloat and expensive styles. 如果要隐藏具有不同ID或类的多个元素,可以通过用逗号分隔每个CSS选择器 来实现。 If you wanted to hide multiple elements with different ids or classes you can do so by separating each CSS selector with a comma. 它支持各种网页标准,例如JSON,Canvas,DOM操作,SVG以及CSS选择器 。 It also includes native support for different web standards, like JSON, Canvas, DOM handling, SVG, and CSS selector .
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