get index vanilla js

Andrew Lautenbach answered on May 14, 2021 Popularity 3/10 Helpfulness 4/10

answer get index vanilla js

Comment

function index(el) {
  if (!el) return -1;
  var i = 0;
  do {
    i++;
  } while (el = el.previousElementSibling);
  return i;
}

Popularity 3/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: get javascript

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Contributed on May 14 2021

Andrew Lautenbach

0 Answers Avg Quality 2/10

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