JavaScript: Capitalize the first letter of every word in a string
JavaScript fundamental (ES6 Syntax): Exercise-264 with Solution
Write a JavaScript program to capitalize the first letter of every word in a string.
- Use String.prototype.replace() to match the first character of each word and String.prototype.toUpperCase() to capitalize it.
Sample Solution:
JavaScript Code:
// Define a function 'capitalizeEveryWord' to capitalize the first letter of each word in a string
const capitalizeEveryWord = str =>
// Use regular expression to match the first letter of each word (\b denotes word boundary)
// and replace it with its uppercase equivalent
str.replace(/\b[a-z]/g, char => char.toUpperCase());
// Test the function with a sample string
console.log(capitalizeEveryWord('hello world!')); // Output: "Hello World!"
Output:
Hello World!
Visual Presentation:
Flowchart:
Live Demo:
See the Pen javascript-basic-exercise-264-1 by w3resource (@w3resource) on CodePen.
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