Jan 4, 2016 · One is addition, the other however is string concatenation. If one or both of your variables is a string, then + will concatenate them. You will need to use parseInt or parseFloat …

Jun 5, 2009 · The reason you are getting the string is that javascript will treat an addition as a string concatenation if any of the arguments are a string. When you grab a value from an …

Jul 9, 2011 · The problem here is, your code is doing a string concat operation (using + on strings) on a and b. You need to explicitly specify that, you want addition (using + on numbers) to be …

The addition operator (+) adds numbers: The subtraction operator (-) subtracts numbers. The multiplication operator (*) multiplies numbers. The division operator (/) divides numbers. The …

Apr 11, 2025 · Basic number operations in JavaScript — add, subtract, multiply, and divide. numbers are not numbers if they are defined as strings, and can cause calculations to go …

Jan 7, 2020 · According to documentation, a + in Java Script is addition. I have spent over 2 hrs trying to figure out what was wrong with my (more complicated) coding. Please, please, tell me …

The addition (+) operator produces the sum of numeric operands or string concatenation.

Mar 5, 2025 · This resource offers a total of 570 JavaScript Math problems for practice. It includes 114 main exercises, each accompanied by solutions, detailed explanations, and four related …

May 8, 2024 · We will explore how to add two numbers in JavaScript. Adding two numbers in JavaScript means combining numeric values together using arithmetic addition, which gives us …

Jul 27, 2011 · The problem is when you take those values you are getting a string and in result you are doing a concatenation. You should use parseInt on both x and y like this: x = …