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  <a href="" target="_blank">Shave</a>, A modern javascript plugin for truncating text within an html element.
<h2>Time elapsed for <a href="" target="_blank">Shave</a> to truncate 50 elements: <span class="elapsed"></span></h2>
<p class="mh100">
  Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam sollicitudin consequat eros, non posuere justo hendrerit quis. Integer eget risus dapibus, rutrum nisl sit amet, posuere dui. Cras vitae urna ac urna placerat vulputate. Morbi et tortor vel nisi rutrum consequat. Pellentesque non sem cursus, rhoncus nisi sed, semper quam. Phasellus efficitur iaculis auctor. Pellentesque at aliquam leo. Proin diam nulla, mollis vitae nibh sit amet, interdum suscipit risus. Sed fermentum leo enim, a pretium ipsum sollicitudin non. Nunc tempus nunc sed laoreet porttitor. Duis varius purus pellentesque luctus vestibulum. In ex dui, maximus vitae nisl a, molestie malesuada purus. Duis semper est in varius mattis. Pellentesque mollis convallis ex eu pretium.

Vivamus eleifend nunc a sem euismod, non consequat purus varius. Donec hendrerit eleifend ex ac cursus. Ut ac nibh quis massa rhoncus accumsan. Praesent ultricies arcu quis magna tempus, vitae tristique diam euismod. Proin accumsan quam magna, quis condimentum diam lacinia et. Quisque tempor tellus neque, vitae facilisis dui mollis sit amet. Sed sit amet augue ac mi cursus egestas nec gravida velit. Suspendisse eu nunc tristique lorem eleifend vulputate. Aliquam viverra ex sed augue mollis, eu feugiat purus volutpat. Donec consectetur a lectus ac accumsan. Aenean massa libero, pellentesque a ultrices nec, commodo eget neque. Duis blandit augue et tempus egestas. Aenean facilisis lectus eget venenatis blandit. Nam porta sollicitudin erat, at fermentum eros iaculis ut.



p {
  margin: 1rem auto;
h2 {
  max-width: 40rem;
  text-align: center;
p {
  // max-width: 18.75rem;
  margin: 1rem auto;


                (function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global.shave = factory());
}(this, (function () { 'use strict';

function shave(target, maxHeight, opts) {
  if (!maxHeight) throw Error('maxHeight is required');
  var els = typeof target === 'string' ? document.querySelectorAll(target) : target;
  if (!('length' in els)) els = [els];

  var defaults = {
    character: '…',
    classname: 'js-shave',
    spaces: true
  var character = opts && opts.character || defaults.character;
  var classname = opts && opts.classname || defaults.classname;
  var spaces = opts && opts.spaces === false ? false : defaults.spaces;
  var charHtml = '<span class="js-shave-char">' + character + '</span>';

  for (var i = 0; i < els.length; i++) {
    var el = els[i];
    var span = el.querySelector('.' + classname);

    // If element text has already been shaved
    if (span) {
      // Remove the ellipsis to recapture the original text
      el.textContent = el.textContent; // nuke span, recombine text

    var fullText = el.textContent;
    var words = spaces ? fullText.split(' ') : fullText;

    // If 0 or 1 words, we're done
    if (words.length < 2) continue;

    // Temporarily remove any CSS height for text height calculation
    var heightStyle =; = 'auto';
    var maxHeightStyle =; = 'none';

    // If already short enough, we're done
    if (el.offsetHeight < maxHeight) { = heightStyle; = maxHeightStyle;

    // Binary search for number of words which can fit in allotted height
    var max = words.length - 1;
    var min = 0;
    var pivot = void 0;
    while (min < max) {
      pivot = min + max + 1 >> 1;
      el.textContent = spaces ? words.slice(0, pivot).join(' ') : words.slice(0, pivot);
      el.insertAdjacentHTML('beforeend', charHtml);
      if (el.offsetHeight > maxHeight) max = spaces ? pivot - 1 : pivot - 2;else min = pivot;

    el.textContent = spaces ? words.slice(0, max).join(' ') : words.slice(0, max);
    el.insertAdjacentHTML('beforeend', charHtml);
    var diff = spaces ? words.slice(max + 1).join(' ') : words.slice(max);

    el.insertAdjacentHTML('beforeend', '<span class="' + classname + '" style="display:none;">' + diff + '</span>'); = heightStyle; = maxHeightStyle;

if (typeof window !== 'undefined') {
  var plugin = window.$ || window.jQuery || window.Zepto;
  if (plugin) {
    plugin.fn.shave = function shavePlugin(maxHeight, opts) {
      shave(this, maxHeight, opts);
      return this;

return shave;


// get the text for the el we'd like to re-shave on resize
var el = document.getElementsByClassName('mh100')[0];
var text = el.textContent;

shave('.mh100', 70);
let timer = null;
$(window).on('resize', function () {
  timer = setTimeout(function() {
    // add the original text
    el = text;
    shave('.mh100', 70);
  }, 1000);