Must Know Chrome 検証使い方 Article

【Chrome検証ツール使い方】初心者が抑えておくべき便利な4つの機能の使い方 HikoPro Blog from hikopro.com

Introduction

Google Chrome is the most popular web browser in the world, and it comes with a powerful set of developer tools that can help you diagnose and fix problems with your web pages. In this article, we’ll take a look at some tips and tricks for using Chrome's 検証 (kensho) tool, which is also known as the Developer Console.

What is Chrome 検証 and Why Use it?

Chrome 検証 is a tool that allows developers to debug and test web pages. It provides a console for developers to run JavaScript code, inspect HTML and CSS, and diagnose issues with HTTP requests. It also allows developers to see how their web pages will look on different screen sizes and resolutions.

How to Open Chrome 検証

You can open Chrome 検証 by right-clicking on any element of a web page and selecting "Inspect" from the context menu. Alternatively, you can use the keyboard shortcut Ctrl+Shift+I (Windows, Linux) or Command+Option+I (Mac).

Using the Console

The Console is one of the most powerful tools in Chrome 検証. It allows you to run JavaScript code and see the results in real-time. You can also log messages and errors to the console, which can be helpful for debugging.

Inspecting Elements

Chrome 検証 allows you to inspect HTML and CSS for any element on a web page. You can see the styles applied to an element, as well as any HTML attributes that are set. This can be helpful for diagnosing layout issues or identifying which styles are causing a particular problem.

Network Tab

The Network tab in Chrome 検証 allows you to see all the HTTP requests made by a web page. This can be helpful for diagnosing issues with slow-loading pages or identifying which resources are causing errors.

Sources Tab

The Sources tab in Chrome 検証 allows you to debug JavaScript code. You can set breakpoints, step through code, and watch variables as they change. This can be helpful for diagnosing issues with complex JavaScript applications.

Device Emulation

Chrome 検証 also allows you to emulate different devices and screen sizes. This can be helpful for testing how a web page will look on different devices, without having to physically test on each one.

Security Tab

The Security tab in Chrome 検証 allows you to see information about the SSL certificate used by a website. You can also see any security warnings, such as mixed content warnings, that may be affecting the site's security.

Conclusion

Chrome 検証 is a powerful tool for developers, and it can help you diagnose and fix issues with your web pages. By using the tips and tricks outlined in this article, you can become more proficient with Chrome 検証 and improve your web development skills.