2021年9月17日 · The easy way of opening the Console Tool on Microsoft Edge is by using the predefined shortcut (F12 Key). But you can also do it via the GUI menu by clicking on the action button (top-left corner) > More tools > Developer Tools.

2015年4月23日 · The Console command line can run single and multi-line script statements outside your program code. Statements are executed immediately and results appear in the Console's pane. For more info about the console, see Using the F12 Tools Console to View Errors and Status. Watch: View variables from any scope.

Second, press F12 on Windows or Cmd+Opt+J if you are on Mac. The devtools will open the Console tab by default. It will look like this: The first message is 'Hello, DevTools!' which is the output of the following command: console.log('Hello, DevTools!'); Code …

2024年11月6日 · Opening the Chrome console is a straightforward process. You can do it in the following ways: Press the F12 key on your keyboard to open the Chrome console. This method is the most popular...

In Firefox, it can opened in a separate window (and be global - not just for the current tab) by menu Tools → Web Developer → Browser Console. F12 works in many browsers. The Opera documentation link is no longer valid, the shortcut is correct though.

2021年4月5日 · To start, we’ll learn how to open them, look at errors, and run JavaScript commands. Open the page bug.html. There’s an error in the JavaScript code on it. It’s hidden from a regular visitor’s eyes, so let’s open developer tools to see it. Press F12 or, if you’re on Mac, then Cmd + Opt + J.

2025年1月13日 · Use the Console: Open the Console panel to see if any errors are reported when the page loads. Log Statements: If specific functions aren’t returning expected results, insert console.log() statements in your code.

先的简单介绍一下chrome的控制台，打开chrome浏览器，按f12就可以轻松的打开控制台. 大家可以看到控制台里面有一首诗还有其它信息，如果想清空控制台，可以点击左上角那个 来清空，当然也可以通过在控制台输入console.clear ()来实现清空控制台信息。 如下图所示. 现在假设一个场景，如果一个 数组 里面有成百上千的元素，但是你想知道每个元素具体的值，这时候想想如果 …

Press the F12 key when your class is fully loaded. This will open the developer tools. Click on the Console tab of the developer tools window. Either manually click on the green Play arrow or hold CTRL and press ENTER. Make sure the frame selection is "Top".

2022年6月15日 · 通过JS代码或者命令行console.log()、console.warn()、console.error()可以将日志信息输出到控制台。 console .log 显示一般的基本日志信息，当要显示的基本日志太多时可以 使用 console .group将相关的日志进行分组。