Debugging JavaScript - Chrome DevTools 101

You can leverage tools like Chrome's DevTools to see what your JavaScript is doing in real-time as you move around the screen.

This tutorial teaches you the basic workflow for debugging any JavaScript issue in DevTools. Read on, or watch the video version of this tutorial.

Discover new debugging workflows with this comprehensive reference of Chrome DevTools debugging features.

Debugging is the process of finding and fixing errors within a script. All modern browsers and most other environments support debugging tools.

在撰寫程式遇到Bug 時，可以下console 指令，印出資料，確認程式邏輯。但這個過程需要不斷猜測可能錯誤的地方，再補上多個console 指令，效率不佳。

Choose the JavaScript file on top and place the breakpoint to the debugger for the JavaScript code. Ctrl + Shift + J opens Developer Tools.

這系列文章的內容主要圍繞在前端相關的Debug 技巧，只要你有網頁開發經驗，尤其：. 每天都會開啟瀏覽器的Devtools; 常常需要刻UI 以及撰寫許多HTML、CSS; 以 ... 緣起 · 系列內容 · 講講DevTools 之外的Debug 方式 · Chrome DevTools 簡介

Right-click on the page, select Inspect, then open the Sources tab. Chrome Menu: Click the three dots at the top-right, navigate to More Tools > Developer Tools ... What Is Chrome DevTools? · How to Debug JavaScript in... · Add Breakpoin

If you're still using console.log() to find and fix JavaScript issues, you might be spending more time debugging than you need to.

Are you stuck using the console log all the time? Explore how to debug JavaScript code using the chrome dev tools. Chrome devtools official ...