JavaScript: Calculate degrees between 2 points with inverse Y axis

Last update on April 22 2023 12:19:39 (UTC/GMT +8 hours)

JavaScript Math: Exercise-27 with Solution

Write a JavaScript function to calculate degrees between 2 points with the inverse Y axis.

Test Data :
console.log(pointDirection(1, 0, 12, 0));
0
console.log(pointDirection(1, 0, 1, 10));
90

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Write a JavaScript function to calculate degrees between 2 points with inverse Y axis</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function pointDirection(x1, y1, x2, y2) {
    return Math.atan2(y2 - y1, x2 - x1) * 180 / Math.PI;
}

console.log(pointDirection(1, 0, 12, 0));
console.log(pointDirection(1, 0, 1, 10));

Sample Output:

0
90

Flowchart:

$Flowchart: JavaScript Math- Calculate degrees between 2 points with inverse Y axis$

Live Demo:

See the Pen javascript-math-exercise-27 by w3resource (@w3resource) on CodePen.

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