Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Basics (Retired) Making Decisions with Conditional Statements Introducing Conditional Statements

Posted by RAVI KUMAR
RAVI KUMAR
2,234 Points

how to negate case sensitivity in a string?

I am asking for best language and expecting answer as Ruby or ruby or rubY , i mean i like to accept any "ruby" entered

app.js 
var answer = prompt('what is the best programming language?');
if (answer === 'ruby')
{ alert('You are correct');
}
index.html 
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>

1 Answer

martinjones1
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
martinjones1
Front End Web Development Techdegree Graduate 44,824 Points
martinjones1
.a{fill-rule:evenodd;}techdegree seal-36
martinjones1
Front End Web Development Techdegree Graduate 44,824 Points

You could convert the answer provided to lower case in the if statement by tacking on the .toLowerCase() method.

So the updated code would be:

var answer = prompt("what is the best programming language?");
if (answer.toLowerCase() === "ruby") {
  alert("You are correct");
}

Further reading: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase

Hope this helps.