摘要：
Arrows Old browsers would see two unsupported tags and a comment; only new browsers would see JS code. To support this odd hack, the JavaScript engine 阅读全文
摘要：
Logical Operators Operator | Description | Useage | | Logical AND ( ) | expr1 && expr2 | Returns expr1 if it can be converted to false; otherwise, ret 阅读全文
摘要：
186 Chrome DevTools: How to use Logpoints for quicker JavaScript debugging You can use the new feature to quickly inject a console.log message into yo 阅读全文
摘要：
The Code Coverage tool visually shows you which lines of code in your CSS and JavaScript are used and unused. You can now export your raw Code Coverag 阅读全文
摘要：
to change the color format Tip one The Colour Platters are customeised for you .they show colour for: Color Palettes Material CSS Variables Custome Ti 阅读全文
摘要：
Contrast ratio between your text and background is at least 7:1 All of your users will benefit from a good contrast between the text on your website a 阅读全文
摘要：
Note : Apply for google chrome canary. You can fold code blocks in CSS (and Sass) and javascript files.This is useful for digesting large files. Code 阅读全文
摘要：
字符实体 | 说明 | |这是我们使用最多的空格，也就是按下space键产生的空格。在HTML中，如果你用空格键产生此空格，空格是不会累加的（只算1个）。要使用html实体表示才可累加。 | 占据的宽度正好是1/2个中文宽度，而且基本上不受字体影响。 | 其占据的宽度正好是1个中文宽度，而且基本上不 阅读全文
摘要：
Tips and Tricks for Debugging in chrome Pretty print On sources panel ,clicking on the on the bottom left hand side. Console.table Display data as a t 阅读全文
摘要：
Trailing Slash common case It’s common for URLs with a trailing slash to indicate a directory, and those without a trailing slash to denote a file: In 阅读全文