How to add strings and numbers by JavaScript

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Add strings and numbers

If two numbers are added, the sum of numbers is returned. If the number is added to a string, a string is returned, as shown in the following example:

Example

Xx 5x 5

Y = "5" + 5

Z = "Hello" + 5

The output results of XQuery y and z are:

ten

fifty-five

Hello5

Rule: if you add a number to a string, the result will be a string!

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