When a webpage is loaded, the web browser first reads the HTML code and then runs any JavaScript code included. However, if a user has disabled JavaScript in their browser settings or if their browser does not support JavaScript, the script code will not be executed. In such cases, the c...
33.对 web 标准、可用性、可访问性的理解 答案: 可用性(Usability):产品是否容易上手,用户能否完成任务,效率如何,以及这过程中用户的主观感受可好,是从用户的角度来看产品的质量。可用性好意味着产品质量高,是企业的核心竞争力。 可访问性(Accessibility):Web 内容对于残障用户的可阅读和可理解性 可维护性(Maintain...
对web 标准、可用性、可访问性的理解 可用性(Usability): 产品是否容易上手,用户能否完成任务,效率如何,以及这过程中用户的主观感受可好,是从用户的角度来看产品的质量。可用性好意味着产品质量高,是企业的核心竞争力。 可访问性(Accessibility): Web 内容对于残障用户的可阅读和可理解性 可维护性(Maintainability):...
HTML5 introduced semantic elements like<header>,<footer>,<nav>,<article>, and<section>, which provide meaningful structure to a webpage and improve accessibility. How do you create a responsive design using HTML5? Use the<meta name="viewport" content="width=device-width, initial-scale=1">ta...
As all input types except for input of type hidden are focusable, this attribute should not be used on form controls, because doing so would require the management of the focus order for all elements within the document with the risk of harming usability and accessibility if done incorrectly. ...
In addition to the accessibility and usability issues created by frames, the trend within web design is to separate the content of a webpage from its presentation. Contentshould be added and defined by markup such as HTML. Presentationshould be manipulated with languages like CSS and JavaScript....
Properly structuring your text content with the<p>tag is important, as it can help improve the accessibility and usability of your web page. Screen readers and other assistive technologies rely on semantic tags like<p>to accurately interpret and present the content to users. ...
Modernizr added these new HTML5 elements that IE8 didn’t understand into the DOM, and since they were in the DOM, we could style them using CSS.But Modernizr does more than that! Notice that one of the differences between our IE8 and IE9 versions of the webpage is that the IE9 ...
But assuming table is being correctly used for tabular data, there are still quite a few accessibility concerns. There are some great articles on this out there: WebAIM: Creating Accessible Tables Portland Community College: Examples of Good and Bad Table Layout for Screen Readers Web Usability: ...
and let me associate a caption with that figure, respectively.Here’s what that webpage would look like when combined with some CSS. (NOTE: I borrowed this CSS from my talented teammate Brandon Satrom’s TechEd talk, but the less-than-beautiful end effect was all me.)...