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JavaScript: Get the distance between two given points

JavaScript fundamental (ES6 Syntax): Exercise-243 with Solution

Write a JavaScript program to get the distance between two given points.

  • Use Math.hypot() to calculate the Euclidean distance between two points.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
const distance = (x0, y0, x1, y1) => Math.hypot(x1 - x0, y1 - y0);
console.log(distance(1, 1, 2, 3)); 
console.log(distance(-1, -1, 2, 3));

Sample Output:

2.23606797749979
5

Flowchart:

flowchart: Get the distance between two given points.

Live Demo:

See the Pen javascript-basic-exercise-243-1 by w3resource (@w3resource) on CodePen.


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JavaScript: Tips of the Day

How to check whether a string contains a substring in JavaScript?

ECMAScript 6 introduced String.prototype.includes:

const string = "foo";
const substring = "oo";

console.log(string.includes(substring));

includes doesn't have Internet Explorer support, though. In ECMAScript 5 or older environments, use String.prototype.indexOf, which returns -1 when a substring cannot be found:

var string = "foo";
var substring = "oo";

console.log(string.indexOf(substring) !== -1);

Ref: https://bit.ly/3fFFgZv