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How do you highlight syntax in JavaScript?

How do you highlight syntax in JavaScript?

Assuming the code is in the code tag, you can use jQuery or any other method to select all those elements. // With jQuery var codeElements = $(“. article pre code”); In order to match the keywords we want to highlight, we can use Regular Expression.

How do you highlight text in textarea?

You can’t actually highlight text in a . Any markup you would add to do so would simply display as plain text within the . The good news is, with some carefully crafted CSS and JavaScript, you can fake it.

How do you make an editable text area in HTML?

All you have to do is set the contenteditable attribute on nearly any HTML element to make it editable. Here’s a simple example which creates a element whose contents the user can edit.

How do I style a textarea in HTML?

The element is often used in a form, to collect user inputs like comments or reviews. A text area can hold an unlimited number of characters, and the text renders in a fixed-width font (usually Courier). The size of a text area is specified by the and attributes (or with CSS).

How do you use syntax highlighter?

To add a SyntaxHighlighter Code block to a post or page you click on the + icon at the left of any empty block or at the top left of the editor then search for SyntaxHighlighter and click on the SyntaxHighlighter Code icon. Paste the code into the block.

How do you add syntax highlights?

Quick Tip: How to Add Syntax Highlighting to Any Project

  1. Step 1 — Download the Source Code. You can download the syntax highlighter source files here.
  2. Step 2 — Drag the src Directory into your Project. I generally rename this folder to highlighter .
  3. Step 3 — Import the Necessary Files.

How do I color text in textarea?

You can’t change the colours of words in a , but you can use the contenteditable attribute to make a , , or

look like a .

How to highlight text in a hightlighted textarea?

I would recommend EditArea for live editing of a syntax hightlighted textarea. You can Highlight text in a , using a carefully placed behind it. check out Highlight Text Inside a Textarea. Update: Bespin is now ACE, which is mentioned by the highest rated answer here. Use ACE instead.

How to edit textarea to support syntax highlighted code?

To fix this, all we need is to set the spellcheck attribute on the to false: Turns out that innerText doesn’t support newlines ( ). Even though “World!” should be on a new line, the syntax highlighted section displays it on the same line. The update function needs to be edited.

Why do we use syntax highlighting in JavaScript?

They all feature syntax highlighting to make writing code & debugging easier. But did you know that you can take that same syntax coloring and add that to your web content? Granted, not everyone writes about code or has code snippets in their blog posts.

What can you do with a textarea in JavaScript?

So here’s a really unique project developed by Ashley Ktorou showing what you can do with a simple textarea. Coders on the web need to enter the code somewhere. A textarea is the perfect element to handle that. Yet, with this snippet, you’ll find a custom textarea with highlighting along with custom tabs and a fullscreen feature.