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JAVASCRIPT Snippets.

Curated list of production-ready JAVASCRIPT scripts and coding solutions.

JAVASCRIPT

Reacting to Data Changes with watch and watchEffect

Efficiently observe and react to changes in reactive data within Vue 3 components using the `watch` and `watchEffect` functions from the Composition API for various scenarios.

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JAVASCRIPT

Extract All Query Parameters from URL

Learn how to use regex to efficiently extract all key-value pairs of query parameters from any given URL string in JavaScript for easy data retrieval.

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JAVASCRIPT

Validate Semantic Version String (SemVer)

Master regex for validating semantic version strings (SemVer) like 1.0.0, 1.0.0-alpha, or 1.0.0-rc.1+build.234, crucial for version control and package management.

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JAVASCRIPT

Replace Multiple Spaces with Single Space

Clean up user input or textual data by replacing all sequences of one or more whitespace characters with a single space using regex in JavaScript.

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JAVASCRIPT

Extract Image Source (src) URLs from HTML

Learn how to parse an HTML string with regex to find and extract all `src` attribute values from `<img>` tags for image processing or indexing.

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JAVASCRIPT

Convert Snake_Case to PascalCase

Transform strings from `snake_case` to `PascalCase` using a powerful regex pattern, perfect for naming conventions in programming languages like JavaScript.

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JAVASCRIPT

Remove HTML Tags from String

Learn how to effectively strip all HTML tags from a given string using a simple JavaScript regex pattern, useful for cleaning user-generated content for display.

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JAVASCRIPT

Convert Kebab-case to CamelCase

Transform kebab-case strings (e.g., 'font-size') into camelCase (e.g., 'fontSize') using JavaScript regex, essential for dynamic CSS property handling or object key conversions.

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JAVASCRIPT

Extract All Numbers from a String

Learn to extract all sequences of digits from any string using a JavaScript regex, perfect for parsing IDs, numerical data, or cleaning user input.

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JAVASCRIPT

Validate Hex Color Code Format

Ensure user input for colors is in a valid hexadecimal format (e.g., #RRGGBB, #RGB) using a concise JavaScript regex pattern, ideal for form validation.

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JAVASCRIPT

Extract All Hashtags from String

Automatically find and extract all hashtags (e.g., #webdev, #javascript) from text using a powerful JavaScript regex, perfect for social media features.

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JAVASCRIPT

Validate Email Address Format

A robust JavaScript regex snippet to accurately validate common email address formats, ensuring correct syntax for user inputs in web forms and applications.

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