JavaScript atan() method
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Definition and usage
atan() The method returns the arctangent value of the number, the returned value is the radian value between -PI/2 and PI/2.
Syntax
Math.atan(x)
Parameter value
| Parameter | Description |
|---|---|
| x | Required. Number. |
Technical details
| Return value: | Numbers, from -PI/2 to PI/2, if the value is empty, then return NaN. |
|---|---|
| JavaScript version: | ECMAScript 1 |
Browser understøttelse
Math.atan() Er ES1-karaktæristik (JavaScript 1999). Alle browsere understøtter det fuldt ud:
| Chrome | IE | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|---|
| Support | Support | Support | Support | Support | Support |
Relaterede sider
Vejledning:JavaScript matematik
- Forrige side asinh()
- Næste side atan2()
- Gå tilbage til forrige niveau JavaScript Math Referencer
