Javascript addition and subtraction with a string value

Question

I recently went through this typecast JS question:

Given \'11\'+10, the answer is 1110. It is clear that is not 21 because one

Answer 1

Here is the answer to your question:

It says

If you have a plus sign between a number and a string, concatenation takes precedence over addition. All other numeric operators, when one operand is a string and the other a number, will attempt to convert the string to a number

Check String Operators section on the link.