How do I debug JavaScript in Chrome?

How do I debug JavaScript in Chrome?

Debug JavaScript

1. Step 1: Reproduce the bug.
2. Step 2: Get familiar with the Sources panel UI.
3. Step 3: Pause the code with a breakpoint.
4. Step 4: Step through the code.
5. Step 5: Set a line-of-code breakpoint.
6. Step 6: Check variable values. Method 1: The Scope pane. Method 2: Watch Expressions.
7. Step 7: Apply a fix.
8. Next steps.

How do I debug in Visualforce page?

Let’s go!

1. Step 1: Prepare Org Data.
2. Step 2: Visualforce Controller.
3. Step 3: Visualforce page.
4. Step 4: Configure Trace Flags.
5. Step 5: Identify a Problem.
6. Step 6: Find Log with Log Manager.
7. Step 7: Use Debug Watches for Exploring Significant Parts of Your Code.

How do I test JavaScript in Chrome?

Activate JavaScript in Google Chrome

1. On your computer, open Chrome.
2. At the top right, click More. Settings.
3. Click Privacy and security. Site settings.
4. Click JavaScript.
5. Turn on Allowed (recommended).

How do I see JavaScript in Chrome?

Chrome™ Browser – Android™ – Turn JavaScript On / Off

1. From a Home screen, navigate: Apps icon > (Google) > Chrome .
2. Tap the Menu icon (upper-right).
3. Tap Settings.
4. From the Advanced section, tap Site settings.
5. Tap JavaScript.
6. Tap the JavaScript switch to turn on or off .

How do you debug JavaScript in Google Chrome?

Chrome Debugger: Summary This tutorial, explained how developers can debug JavaScript with the help of the Sources panel in DevTools. The debbuging process in Chrome debugger pane is done by setting breakpoints that allow you to closely inspect lines of code.

Do you need to do your own debugging for Salesforce?

If you do not add your own JavaScript or CSS, then you are in safe territory because Salesforce tests their features well and across many browsers, and you should not need to do your own debugging. (An exception is partial page refreshes – via rerender attributes – that can be awkward to get working.)

How to debug CSS styles in Google Chrome?

These instructions relate to Chrome; other browsers have the same features available but typically named a bit differently – Google. The first few debugging techniques to use are: When you right-click over a point in a page and select Inspect Element, you get the DOM Element shown and the CSS styles that apply shown.

What’s the best way to debug a page?

The first few debugging techniques to use are: When you right-click over a point in a page and select Inspect Element, you get the DOM Element shown and the CSS styles that apply shown. This lets you see what HTML/CSS/JavaScript has resulted from your Visualforce.