November 6, 2023
The edit page bookmarklet
The bookmarklet in question turns any webpage into an editable document. Here's the code you'd save as a bookmark:
Below, we’ll break down how each part of this bookmarklet influences the webpage.
Breaking down the bookmarklet
How to make content editable
true on the
body element, the text on the webpage becomes interactive, which lets you modify it directly in the browser.
How to activate design mode
This part of the code takes editing a step further by enabling design mode, offering rich-text editing features across the entire document, similar to editing a document in a word processor.
How to ensure uninterrupted interaction
void operator used here with the operand
0 ensures that the execution of the bookmarklet does not cause the browser to navigate away from the current page or refresh it.
How to use the Bookmarklet for in-browser editing
Context and use cases for in-browser editing
If you're a developer testing a new layout, a designer evaluating visual hierarchy with different text, or a content creator tweaking copy on the fly, this bookmarklet is a solid way to do real-time webpage editing.
For example marketers can use it to preview how different headlines would appear on live sites.
How to extend bookmarklet functionality
- Text Formatting: Adding buttons to change font sizes, colors, and styles.
- Saving Edits: Incorporating local storage or cookies to remember the edits made to the webpage.
- Content Management: Scripts that can manage multiple editable sections or enable the editing of attributes like images and tables.
Here's an example of how you might extend the bookmarklet to include a simple text formatting command:
This snippet not only turns the design mode on but also increases the font size of the selected text. The use of an anonymous function
Best practices and limitations
Remember, while bookmarklets are convenient, they also execute in the context of the current page's security restrictions. They are best used for client-side changes that don't need to be persistent or secure. And while they can be powerful tools for web development and design, users should only run bookmarklets from trusted sources to avoid executing malicious code.
If the bookmarklet isn't working as expected, check the following:
- Are there any site-specific scripts or security settings that might be preventing the bookmarklet from running?
- Have you tried it on multiple pages to ensure it's not an issue with a specific site?
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