Distance between points using two vertices

distance-between-points.js

/**
 * Calculates the distqance between two vertices and returns the value
 * @param {array} startVert Start x and y point
 * @param {array} endVert End x and y point
 * @returns {number}
 */
function distanceBetweenPoints (startVert, endVert) {
    return Math.sqrt(Math.pow(endVert[0] - startVert[0], 2) + Math.pow(endVert[1] - startVert[1], 2));
}