Operators aren’t just for numbers! When a + operator is used on two strings, it appends the right string to the left string:

console.log('hi' + 'ya'); // Prints 'hiya' console.log('wo' + 'ah'); // Prints 'woah' console.log('I love to ' + 'code.') // Prints 'I love to code.'

This process of appending one string to another is called concatenation. Notice in the third example we had to make sure to include a space at the end of the first string. The computer will join the strings exactly, so we needed to make sure to include the space we wanted between the two strings.

console.log('front ' + 'space'); // Prints 'front space' console.log('back' + ' space'); // Prints 'back space' console.log('no' + 'space'); // Prints 'nospace' console.log('middle' + ' ' + 'space'); // Prints 'middle space'

Just like with regular math, we can combine, or chain, our operations to get a final result:

console.log('One' + ', ' + 'two' + ', ' + 'three!'); // Prints 'One, two, three!'



Inside a console.log() statement, concatenate the two strings 'Hello' and 'World'.

Note: You should concatenate the two strings exactly (without introducing any additional characters).


We left off the space last time. Create a second console.log() statement in which you concatenate the strings 'Hello' and 'World', but this time make sure to also include a space (' ') between the two words.

Take this course for free

Mini Info Outline Icon
By signing up for Codecademy, you agree to Codecademy's Terms of Service & Privacy Policy.

Or sign up using:

Already have an account?