# Math.atan2( y, x ) in ECMAScript 262

Return the arc tangent of the quotient `y`

/`x`

, where the signs of `y`

and `x`

are used to determine the quadrant of the result, in radians.

## Arguments

name | type | description |
---|---|---|

y | Number |
The cartesian y-coordinate. |

x | Number |
The cartesian x-coordinate. |

- Return Type
- Number