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Full Stack JavaScript Techdegree Graduate 19,470 Pointscombining strings
I have trouble understanding the usage of a variable over and over when the instructor use += to combine strings multiple times
1 Answer
Steven Parker
229,670 PointsThe "+=" symbol is a special kind of assignment that adds a new string onto the end of the one already stored in the variable, instead of replacing it like "=" does. For example:
var words = "My ";
words += "car "; // words now has "My car "
words += "is "; // words now has "My car is "
words += "blue."; // words now has "My car is blue."