JavaScript Strings

Welcome to this series of tutorials about strings in JavaScript. Working with strings is a fundamental part of programming, and it can sometimes be tough to get right. These tutorials are designed to help you.

Throughout the series, you’ll be taken through the basics of working with strings in JavaScript, including manipulating them, searching, and replacing characters. Practical examples and code snippets will be provided, making it easy to understand and maintain.

Whether you’re new to programming or looking to refresh your skills, this series is perfect for you. The concepts will be explained in a way that makes sense, allowing you to learn at your own pace and feel confident with your newfound knowledge.

So, whether you love programming, hate it, or fall somewhere in between, these tutorials will help you learn how to work with strings like a pro. By the end of the series, you’ll have a greater understanding of strings in JavaScript and be able to use them with ease. Let’s get started!

1 JavaScript: Regular Expressions Cheat Sheet

2 JavaScript: Convert a String to Upper or Lower Case

3 JavaScript: Check if a string contains a substring (4 approaches)

4 JavaScript: Remove Leading &#038; Trailing Whitespace from a String

5 2 Ways to Check if a String is Empty in JavaScript

6 JavaScript: Count the occurrences of each word in a string

7 3 Ways to Reverse a String in JavaScript

8 4 Ways to Extract a Substring from a String in JavaScript

9 How to Convert a String into an Array in JavaScript

10 3 Ways to Validate an Email Address in JavaScript

11 JavaScript: Check if a String Starts or Ends With a Substring

12 JavaScript: 3 Ways to Create Multiline Strings

13 JavaScript: How to Capitalize all Words in a String

14 JavaScript: How to Count Words in a String

15 How to Escape Special Characters in a String in JavaScript

16 JavaScript: How to Convert a String to a URL Slug

17 JavaScript Regular Expressions: Extract &#038; Validate URLs

18 4 Ways to Generate Random Strings in JavaScript

19 JavaScript: 2 Ways to Remove HTML Tags from a String

20 JavaScript: Ways to Compare 2 Strings Ignoring Case

21 JavaScript: Convert a string to Unicode code points (2 ways)

22 JavaScript: Convert a byte array to a hex string and vice versa

23 JavaScript: Convert a String to Binary (2 Approaches)

24 JavaScript: Remove non-alphanumeric characters from a string

25 JavaScript: 2 Ways to Format a String with Leading Zeros

26 JavaScript: Check if a string contains non-alphanumeric characters

27 JavaScript: Convert String to Hex and Vice Versa

28 JavaScript: Remove Multiple Consecutive White Spaces

29 JavaScript: Get filename &#038; file extension from a URL

30 How to Generate Random Colors in JavaScript (4 Approaches)

31 Manipulating String Length and Character Positions in JavaScript

32 Efficiently Splitting Strings into Manageable Segments in JavaScript

33 Understanding Unicode Normalization Techniques in JavaScript Strings

34 Building Custom String Replacement Functions in JavaScript

35 Enhancing User Input Processing with JavaScript String Operations

36 Concatenating Multiple Parts into a Single String in JavaScript

37 Improving Readability by Wrapping Text Programmatically in JavaScript

38 Iterating Over Each Character in a JavaScript String Efficiently

39 Implementing Simple Search Features with indexOf() in JavaScript Strings

40 Extracting Useful Data by Splitting Strings on Custom Delimiters in JavaScript

41 Aligning Text Output for Logs and Reports with JavaScript String Padding

42 Automating Custom String Transformations with JavaScript Functions

43 Simulating Basic Encryption by Shifting Characters in JavaScript Strings

44 Handling Accents and Diacritics Gracefully in JavaScript Strings

45 Refining Content by Removing Unwanted Symbols in JavaScript Strings

46 Detecting Palindromes in JavaScript Strings with a Few Lines of Code

47 Building Interactive Text-Based Tools with JavaScript String Methods

48 Combining Template Literals and Expressions for Dynamic Output in JavaScript

49 Safely Processing Usernames and Handles with JavaScript Strings

50 Reducing Code Duplication by Abstracting Common String Operations in JavaScript

51 Employing String Analysis for Keyword Highlighting in JavaScript

52 Improving Data Parsing by Automating String Cleanup in JavaScript

53 Implementing Case Transformations Beyond Simple Upper/Lower in JavaScript Strings

54 Generating Summaries and Previews with JavaScript String Shortening

55 Crafting Human-Readable Slugs from Complex Data Using JavaScript Strings (Alternative Approach)

56 Detecting Patterns Manually Without Full Regex in JavaScript Strings

57 Enforcing Formatting Conventions on User Input with JavaScript Strings

58 Maintaining Consistent Text Case in Dynamic UIs Using JavaScript Strings

59 Evaluating Similarity Between Strings Using Basic Distance Measures in JavaScript

60 Injecting Variables Safely into User-Facing Strings with JavaScript

61 Segmenting Large Text Blocks into Smaller Pieces Using JavaScript Strings

62 Refining Search UIs by Highlighting Matches in JavaScript Strings

63 Enhancing Interactivity by Dynamically Updating Strings in JavaScript

64 Isolating File Paths and Directories Using JavaScript String Methods (Without Extracting Filename/Extension)

65 Aligning Text to Meet Layout Requirements with JavaScript String Padding

66 Implementing Simple, Custom Filters for Text Content with JavaScript

67 Analyzing Character Frequency (Without Counting Words) in JavaScript Strings

68 Transitioning Between Different Encodings Manually with JavaScript Strings

69 Designing Custom Syntax Highlighting with Basic JavaScript String Parsing

70 Improving Text-Based Input Validation Logic Using JavaScript Strings

71 Rearranging Segments of a String to Meet Different Formatting Needs in JavaScript

72 Building Simple Localization Tools to Replace Terms in JavaScript Strings

73 Developing Interactive Prompts That Respond to String Input in JavaScript

74 Handling Mixed Character Sets and Symbols in JavaScript Strings

75 Creating Automated Summaries by Shortening and Appending Ellipses in JavaScript

76 Implementing Custom Sorting by String Criteria in JavaScript

77 Merging Different Data Fields into a Single Line Using JavaScript Strings

78 Managing Labels and Identifiers Programmatically with JavaScript Strings

79 Enforcing Length Restrictions and Truncation in JavaScript Strings

4 JavaScript: Remove Leading & Trailing Whitespace from a String

17 JavaScript Regular Expressions: Extract & Validate URLs

29 JavaScript: Get filename & file extension from a URL