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Edit Any Web Page With JavaScript

Example: show a message

Let’s demonstrate using an example. We’ll add a message on the page that looks nicer than alert.

Here’s how it will look:

<style> .alert { padding: 15px; border: 1px solid #d6e9c6; border-radius: 4px; color: #3c763d; background-color: #dff0d8; } </style> <div class="alert"> <strong>Hi there!</strong> You’ve read an important message. </div>

That was the HTML example. Now let’s create the same div with JavaScript (assuming that the styles are in the HTML/CSS already).

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Chrome page editing frequent questions:

How to inspect any element on a web page?

To inspect any element, right-click and then click on Inspect menu.

How can I see the source code of the website?

Right-click on the website page and click Inspect then click the source code tab.

Can I edit permanently any page on Chrome editor?

No, the edit option for temporary testing and mock-up purpose only. The changes stay unless you refresh the page link.

How to change the font size of any page on Chrome?

Right-click on the page to inspect, then highlight the text to see the font size. Change font value to reflect on the page. These changes are temporary and just for an open session only.

How to change webpage colour on Chrome browser?

To change colour, right-click to inspect the page and view source code. Scroll to style sheet code and change colour values Hex code.

Is it possible to change someone else website?

Yes, using Chrome edit, you can change any website view for the open session only. The changes revert back when you refresh the page.

Where to get Chrome? You can get Google Chrome from directly from here

Read More:

How to Turn on Edit Feature on Web Page

The Developer Tools panel will open to the right side of your screen to the edit the web page then follow the below

  1. Click the Console tab on the Developer Tools
  2. Type the signMode = ‘on’ and press the Enter Key
  3. It bottom it will show you “On”
  4. Finally, close the Console

If you are getting Uncaught SyntaxError: Invalid or unexpected token it is likely the page restrict for public design mode. However, you can directly inspect the element to change it in source code.

After that, close the console if you would like to

After that, close the console if you would like to edit the currently open web page as if it was an editable document mode. You can edit elements similarly as Word document. You need to click anywhere to insert your mouse cursor and edit or type text. While you can use delete or Backspace to delete images, text, and other elements.

Above all changes, you made these only show you ho

Above all changes, you made these only show you how the web page appears in your browser. When you refresh the web page, then it will appear on the original page tab once again. During this process, if you open another tab or web page, in the new tab the design mode will not show until you open the console and type to enter the line again.

Turn Off the Edit Mode on Web Page on Browser

When you finished the editing process and want exit then follow steps below:

  1. Click the Consol tab on the Developer tools
  2. Type the signMode = ‘off’ and press Enter key
  3. Next, it will show you “Off”
  4. Finally, close the Console
After that, you will not edit anymore on the web p

After that, you will not edit anymore on the web page, but the changes you made will be saved until your web page refresh.

In conclusion, to summarize the above contents regarding edit a web page directly on your Google Chrome browser. While you can learn about a similar feature in other browsers too.

You can easily view page source code, and element. Easily inspect each element in console DOM dock. Furthermore, easily view source and network of any website. With design mode on, you can edit any page as a document page.

Node removal

To remove a node, there’s a method node.remove().

Let’s make our message disappear after a second:

<style> .alert { padding: 15px; border: 1px solid #d6e9c6; border-radius: 4px; color: #3c763d; background-color: #dff0d8; } </style> <script> let div = document.createElement(‘div’); div.className = "alert"; div.innerHTML = "<strong>Hi there!</strong> You’ve read an important message."; document.body.append(div); setTimeout(() => div.remove(), 1000); </script>

Please note: if we want to move an element to another place – there’s no need to remove it from the old one.

All insertion methods automatically remove the node from the old place.

For instance, let’s swap elements:

<div id="first">First</div> <div id="second">Second</div> <script> // no need to call remove second.after(first); // take #second and after it insert #first </script>

Edit any website’s text using our handy bookmarklet 

  • Highlight the bolded below:javascript:document.body.contentEditable = ‘true’; signMode=’on’; void 0
  • Drag the highlighted text into your bookmarks bar.
  • Click the icon whenever you want to edit text on a page!
Now that you know how to modify any website, let’s

Now that you know how to modify any website, let’s get back to what’s most important.

Watch as we edit a site:

Sincerely, Neville N. Medhora

P.S. Let me know if this tool is helpful, and how you use it!

 

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