DRAFT
StringRepetitionOperator
Misconception:
In JavaScript, the multiplication operator can be used to multiply a String by a number. The result of such an expression is a new String that corresponds to the given String repeated the given number of times.
Incorrect
One can repeat a String by multiplying it with a number
Correct
One cannot repeat a String by multiplying it with a number
CorrectionHere is what's right.
Here is what's right.
JavaScript’s multiplication operator only works for numbers. It does not support the repetition of Strings. To repeat a String a given number of times, one can use a loop.
OriginWhere could this misconception come from?
Where could this misconception come from?
If students previously learned Python, they may inappropriately transfer this idea from Python (where such an operator exists) to JavaScript.
Language
JavaScript