javascript - 如何在javascript中格式化浮点数？(How to format a float in javascript?)

Question

In JavaScript, when converting from a float to a string, how can I get just 2 digits after the decimal point?(在JavaScript中，当从float转换为字符串时，如何在小数点后只获得2位数？)

For example, 0.34 instead of 0.3445434.(例如，0.34而不是0.3445434。)   ask by translate from so

Answer 1

There are functions to round numbers.(有圆形数字的功能。)

For example:(例如：) var x = 5.0364342423; print(x.toFixed(2)); will print 5.04.(将打印5.04。) EDIT: Fiddle(编辑： 小提琴)