Concatenation involves adding two or more strings together, creating a larger string containing the combined data of those original strings. This is done in JavaScript using the + operator.
var bigStr = 'Hi ' + 'JS strings are nice ' + 'and ' + 'easy to add';{% exercise %}
Add up the different names so that the fullName variable contains John's complete name.
{% initial %}
var firstName = "John";
var lastName = "Smith";
var fullName = {% solution %} var firstName = "John"; var lastName = "Smith";
var fullName = firstName + " " + lastName; {% validation %} assert(fullName === 'John Smith'); {% endexercise %}