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CSS Undefined Variable Checker

CSS Undefined Variable Checker

用户数 : 6 分类 : 开发者工具 扩展大小 : 250KiB 最后更新时间 : 2021-08-05 版本 : 1.0
  • CSS Undefined Variable Checker
                                                            

CSS Undefined Variable Checker 的使用方法详解,最全面的教程

CSS Undefined Variable Checker 描述:

用户数:6 分类:开发者工具 扩展大小:250KiB 最后更新时间:2021-08-05 版本:1.0

CSS Undefined Variable Checker 插件简介:

这是来自Chrome商店的 CSS Undefined Variable Checker 浏览器插件,您可以在当前页面下载它的最新版本安装文件,并安装在Chrome、Edge等浏览器上。

CSS Undefined Variable Checker 插件下载方法/流程:

点击下载按钮,关注“扩展迷Extfans”公众号并获取验证码,在网页弹窗中输入验证码,即可下载最新安装文件。

CSS Undefined Variable Checker 插件安装教程/方法:

(1)将扩展迷上下载的安装包文件(.zip)解压为文件夹,其中类型为“crx”的文件就是接下来需要用到的安装文件 (2) 从设置->更多工具->扩展程序 打开扩展程序页面,或者地址栏输入 Chrome://extensions/ 按下回车打开扩展程序页面 (3) 打开扩展程序页面的“开发者模式” (4) 将crx文件拖拽到扩展程序页面, 完成安装如有其它安装问题, 请扫描网站底部二维码与客服联系如有疑问请参考:https://www.extfans.com/installation/
Do you write CSS using custom properties/variables? Have you ever misspelled one, and only noticed later that a color wasn't coming through correctly as a result? Have you ever yearned for a tool that would help you track down such uses of CSS variables which are not defined? Then you're in luck, because this is just such a tool! This extension adds a tab to the Chrome Developer Tools which can check the current page for any undefined CSS variables used within "var()" expressions. Not only stylesheets, but also inline style attributes are analyzed, and the results are displayed in a friendly table with links to the offending element within the Developer Tools' Elements tab. To use this extension, once it is installed open a website of your choice in Google Chrome, and then open the Developer Tools. You will see a new tab at the top of the Developer Tools titled "CSS Undefined Variable Checker". That tab will bring you to the UI of this extension. Initially, you will see only a button titled "Check for Undefined Variables" and an empty table. Clicking the button will begin the analysis on the page to which the devtools are connected and will report any results within the table. If there are no undefined CSS variables found, the table will instead be populated with a message indicating such. The results within the table have three columns. The first column indicates the name of the undefined variable. The next column indicates the stylesheet in which it was found, and the third column indicates which element on the page the undefined variable was found on. This third column references the element by a CSS selector. If the undefined variable was found within a stylesheet, the Selector column is populated with the selector for the CSS style declaration where the variable was found. On the other hand if the undefined variable is found within an inline style, a selector is generated based on the classes, id, and tag name of the element in question and all of its ancestors. Note that this generated selector is not guaranteed to uniquely identify the element in question. Each cell in the Selector column of the results table is a hyperlink. Clicking each link will open the devtools' Elements tab and highlight the problematic element within it, helping you track down the undefined variable. Note: This extension relies on APIs for accessing the stylesheet information which are constrained by Cross-Origin Resource Sharing. Any stylesheets which are loaded in the page but which are on a different origin from the page itself, and which were not served with an Access-Control-Allow-Origin header which would allow access from this page, will not be analyzed by this extension and will cause it to display errors. These errors do not stop the extension from analyzing other styles which are API-accessible. The analysis logic behind this extension is also available as an npm package under the name @sonatype/undefined-css-variable-checker. See https://www.npmjs.com/package/@sonatype/undefined-css-variable-checker .
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