Mestniydevil

const arr = [
    [0, 0, 0],
    [1, 0, 49],
    [2, 50, 149],
    [3, 150, 349],
    [4, 350, 849],
    [5, 850, 1849],
    [6, 1850, 3849],
    [7, 3850, 5849],
    [8, 5850, 9849],
    [9, 9850, 15849],
    [10, 15850, 23849]
];

const getNum = function(num) {
  let result = arr.reduce((acc, item) => {
    for(let i = 0; i<= 2; i++) {
      if(num >= item[1] && num <= item[2] ) {
        return acc = item[0];
      }
    }
    return acc;
  }, 0)
  return result;
}
console.log(getNum(30))

function liki() {
    const ids = [...document.querySelectorAll('#user uidm')].map(uidm => uidm.attributes.uid.value);
    const idss = [...document.querySelectorAll('#user uid')].map(uid => uid.attributes.uid.value);
    if (ids.length > 0 && idss.length > 0) {
        status = 'on'
    }else {
        status ='off'
    }
    if(status==='on') {
        start();
    }
}
setInterval(liki,100);
    let timer = 1000;
    let timenull = null;
    function start() {
        if (!timenull) {
            console.log('запущенно')
        }
        clearTimeout(timenull);
        timenull = setTimeout(stop, timer);
    }
    function stop() {
        timenull = null;
        console.log('Не запущенно');
    }