JavaScript toFixed () method
Examples
After the number is converted to a string, the result of a designated decimal digits:
var num = 5.56789;
var n=num.toFixed(2);
var n=num.toFixed(2);
n output:
try it"
Definition and Usage
toFixed () method of the Number rounded to the specified number of decimal places.
Browser Support
All major browsers support toFixed () method
grammar
number.toFixed( x )
Parameter Value
| 参数 | 描述 |
|---|---|
| x | 必需。规定小数的位数，是 0 ~ 20 之间的值，包括 0 和 20，有些实现可以支持更大的数值范围。如果省略了该参数，将用 0 代替。 |
return value
| 类型 | 描述 |
|---|---|
| String | 小数点后有固定的 x 位数字 |
technical details
| JavaScript version: | 1.5 |
|---|
More examples
Examples
A number that does not leave any fractional:
var num = 5.56789;
var n=num.toFixed();
var n=num.toFixed();
n output:
try it"
Examples
A conversion smaller than the specified number of digits after the decimal point:
var num = 5.56789;
var n=num.toFixed(10);
var n=num.toFixed(10);
n output:
try it"