JavaScript: Check if a given string is upper case or not
JavaScript fundamental (ES6 Syntax): Exercise-184 with Solution
Write a JavaScript program to check if a given string is upper case or not.
- Convert the given string to upper case, using String.prototype.toUpperCase() and compare it to the original.
Sample Solution:
JavaScript Code:
//#Source https://bit.ly/2neWfJ2
const isUpperCase = str => str === str.toUpperCase();
console.log(isUpperCase('ABC'));
console.log(isUpperCase('A3@$'));
console.log(isUpperCase('aB4'));
Sample Output:
true true false
Pictorial Presentation:
Flowchart:
Live Demo:
See the Pen javascript-basic-exercise-184-1 by w3resource (@w3resource) on CodePen.
Improve this sample solution and post your code through Disqus
Previous: Write a JavaScript program to check if the provided argument is a valid JSON.
Next: Write a JavaScript program that will return true if the specified value is undefined, false otherwise.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
- Weekly Trends and Language Statistics
- Weekly Trends and Language Statistics