JavaScript: Calculate degrees between 2 points with inverse Y axis
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:

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