How to realize the addition of two variables in javascript

This article mainly introduces "how to achieve the addition of two variables in javascript". In daily operation, I believe many people have doubts about how to achieve the addition of two variables in javascript. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubts of "how to achieve the addition of two variables in javascript". Next, please follow the editor to study!

Javascript realizes the method of adding two variables: 1, using the "+" operator, the syntax is "x + y", which represents the addition and summation of the variable x and the variable y; 2, using the "+ =" operator, the syntax is "x + = y", which represents the sum of the variable x and the variable y, and assigns the operation result to the variable x.

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

In javascript, you can use the "+" or "+ =" operators to implement addition.

Operator description example + addition operator x + y means that the sum of x plus y is calculated by adding, and then the result is assigned to the variable on the left side of the operator x + = y is equal to x = x + y

Example:

Var x = 10, y = 5, Atreacablex + ytterxotic console.log (a); console.log (x); atrex + yutz console.log (a)

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