Javascript tips-js tutorial

There are many ways to intercept the digits after the decimal point. The following describes how to use js if $ {showInfo. the tt} value is 20. To divide it by 10 and then it is precise to the second digit after the decimal point, the js Code can be written as follows:

The Code is as follows:

Var a =$ {showInfo. tt}/10;
// Alert (a. toFixed (3); // indicates that the value obtained from the third digit after the decimal point is 2.000.
Document. write (a. toFixed (2); // The resulting value is 2.00.