JohnMarkT

function createDelimitedParams(obj = {}, keyValDelimiter = '=', paramDelimiter = '&') {
  return Object.entries(obj)
    .map(entry => entry.join(keyValDelimiter))
    .join(paramDelimiter);
};

JohnMarkT

const parseXML = (xmlStr) => {
  const parser = new DOMParser();
  const doc = parser.parseFromString(xmlStr, 'application/xml');
  const errorNode = doc.querySelector('parsererror');

  if (errorNode) {
    console.log('error while parsing');
    return errorNode;
  } else {
    console.log('parsing complete: ' + doc.documentElement.nodeName);

JohnMarkT

function ciMatch(prop = '', str = '') {
  return str.localeCompare(prop, 'en', { sensitivity: 'base' }) === 0;
}

JohnMarkT

const ten = 'no numbers'.length;
[...Array(ten * ten).keys()].forEach(i => console.log(++i));

JohnMarkT

((j,b)=>{j.t=!j.t;const f=j.t?b.addEventListener:b.removeEventListener;console.log('remove mode %s',j.t?'on':'off');j.rE=j.rE||(({target:el})=>{console.log('removing:',el);el.parentNode.removeChild(el);});f('click',j.rE);})(window.JMT=window.JMT||{},document.body);

JohnMarkT

function validateJWT(jwt) {
  let payload = {}, valid = false
  try {
    [, payload] = jwt.split('.').slice(0,2).map(p => JSON.parse(atob(p)))
    valid = true
  } catch (error) {}
  return { jwt, payload, valid }
}

JohnMarkT

function getDeep(obj, key) {
  return key.split('.').reduce((o, x) => {
    return (o || {})[x];
  }, obj);
}

JohnMarkT

const getFullname = u => [u.first, u.middle, u.last].filter(Boolean).join(' ')

JohnMarkT

const cookies = document.cookie.split(';').reduce((a, c) => {const p = c.split('='); a[p[0]] = p[1]; return a;}, {});

JohnMarkT

function getByProperty(obj, prop) {
  if (typeof obj === "object") {
    return Object.keys(obj).reduce( (a, c) => {
      if (c === prop) {
        a = a.concat(obj[c]);
      }
      return a.concat(
        getByProperty(obj[c], prop) || []
      );
    }, []);