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JavaScript - calculate distance between two points with Pythagorean equation

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Created by:
Aston-Freeman
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In this article, we would like to show you how to calculate the distance between two points with the Pythagorean equation using JavaScript.

Quick solution:

Quick example:

 

1. Mathematical theorem on the coordinate system

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Distance calculation for points requires starting with the transformation of the Pythagorean equation to the point version.

what can be transformed to:

Note: absolute value of a and b can be avoided because of squares inside Pythagorean equation - squares remove minuses.

Pythagorean equation in JavaScript.
The Pythagorean equation in JavaScript.

Example calculations:

2. JavaScript custom distance function example

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3. Math.hypot() method example

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Note: Math.hypot() has been introduced in ECMAScript 2015.

See also

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  1. JavaScript - how to calculate distance between two points in 3D space?
  2. JavaScript - Chebyshev Distance function

  3. JavaScript - Rectilinear Distance function

References

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  1. Pythagorean equation
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