How to execute JavaScript in Chrome Google browser

How to execute JavaScript in Chrome? In the Chrome browser, you can open the developer tools by pressing the F12 button or right-clicking the page and selecting "Inspect" .

You can also select "More Tools" = "Developer Tools" in the menu bar in the upper right corner   to open:

1. Debugging JavaScript code in the Console window

After opening the developer tools, we can debug JavaScript code in the Console window, as shown below:

In the picture above, we enter the code we want to execute after the > symbol console.log("runoob"), and press Enter to execute it.

We can also copy a piece of code elsewhere to execute it. For example, copy the following code to the Console window and press Enter to execute:

console.log("runoob-1")
console.log("runoob-2")

To clear the Console window to its contents, press the following button:


2. Chrome snippets

We can also create a script to execute in the Chrome browser. Click the Sources panel in the developer tools, select the Snippets tab, right-click the mouse in the navigator, and then select Create new snippet to create a new script file:

If you don't see Snippets, you can click on the panel to >> to see them.

After clicking Create new snippet, a file will be automatically created. You only need to enter the following code in the right window and press Command+S (Mac) or Ctrl+S (Windows and Linux) to save the changes.

console.log("runoob-1")
console.log("runoob-2")

After saving, right-click the file name and select "Run" to execute the code:

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Origin blog.csdn.net/tengxunyun/article/details/131586677