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How to calculates the distance between two decimal numbers (absolute difference) in JavaScript

1 Answer

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// Function that returns the distance between two decimal numbers
function distanceBetween(a, b) {
    // The distance is the absolute value of the difference
    return Math.abs(a - b);
}

// Test values
let x1 = 100.0,  y1 = 45.0;
let x2 = 100.0,  y2 = -15.0;
let x3 = -100.0, y3 = -125.0;
let x4 = -600.0, y4 = 100.0;

// Print results
console.log("Distance between " + x1 + " and " + y1 + " = " + distanceBetween(x1, y1));
console.log("Distance between " + x2 + " and " + y2 + " = " + distanceBetween(x2, y2));
console.log("Distance between " + x3 + " and " + y3 + " = " + distanceBetween(x3, y3));
console.log("Distance between " + x4 + " and " + y4 + " = " + distanceBetween(x4, y4));


/*
run:

Distance between 100.0 and 45.0 = 55.0
Distance between 100.0 and -15.0 = 115.0
Distance between -100.0 and -125.0 = 25.0
Distance between -600.0 and 100.0 = 700.0

*/

 



answered Jun 28 by avibootz

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