Use JavaScript to write simple calculator _ javascript tips-js tutorial

This article mainly introduces how to use JavaScript to compile a simple calculator. If you need a simple calculator, you can refer to the method described in this article. The idea is very recommendable.

The Code is as follows:

Simple javascript Calculator
Script
// Define the global variable var one = "1 ";
Var two = "2 ";
Var three = "3 ";
Var four = "4 ";
Var five = "5 ";
Var six = "6 ";
Var seven = "7 ";
Var eight = "8 ";
Var nine = "9 ";
Var zero = "0 ";
Var plus = "+", minus = "-", multiply = "*", pide = "/", decimal = ".";
Function enter (obj, string ){
Obj. expr. value + = string;
}
Function compute (obj) {// click the function that is called by the = "=" button; obj. expr. value = eval (obj. expr. value); // use the eval () method of JS to calculate the formula in the name as expr}
Script

Is it super NB code!