FAQ: Variables - String Interpolation


#1

This community-built FAQ covers the “String Interpolation” exercise from the lesson "Variables ".

Paths and Courses
This exercise can be found in the following Codecademy content:

Web Development

Introduction To JavaScript

FAQs on the exercise String Interpolation

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#2

Why isn’t my interpolation working:
console.log(‘My name is {myName}. My favorite city is {myCity}.’);
The syntax looks right. It just prints the literal characters ${myName} without reading them as a variable.

It seems to be bugged. If I type it, the console doesn’t recognise the variable as a variable, but as a string. If I copy and paste it, it recognises it as a variable - even though, to me, it appears as the same text.


#4

A template literal is enclosed in back-ticks and interpolation is performed on expressions with the syntax, ${expression}.


#5

Thank you. I was missing the back-ticks, they look very similar to single quotation marks.


#6

Why can’t we use template literals (``) all the time instead of normal string quotes ("" / ‘’)?


#7

We can use back ticks on all strings, with a few exceptions.

aString = `this is a valid string`