_js-useful.js - Useful little snippets.

_js-useful.js

function isBetween(num, range) {
    // returns true if number is within range
    // range is array [lowernum, highernum]
    let [min, max] = range;
    let rez = num >= min && num <= max;
    // console.log('isBetween:', rez, num, range.join('-'));
    return rez;
}
function isOverlap(range1, range2) {
    // depends on isBetween
    // range1 and range2 are [lowernum, highernum] arrays
    // returns true if range1 and range2 share any common point (inclusive - meaning if range 1 ends at point 8 and range 2 starts at point 8, it is considered overlapping)
    let [min1, max1] = range1;
    let rez = isBetween(min1, range2) || isBetween(max1, range2);
    // console.log('isOverlap:', rez, range1.join('-'), range2.join('-'));
    return rez;
}