code: function vimeo(str) {
  	if (str.indexOf('#') > -1) {
  		str = str.split('#')[0];
  	}
  	if (str.indexOf('?') > -1 && str.indexOf('clip_id=') === -1) {
  		str = str.split('?')[0];
  	}
  
  	var id;
  	var arr;
  
  	if (/https?:\/\/vimeo\.com\/[0-9]+$|https?:\/\/player\.vimeo\.com\/video\/[0-9]+$|https?:\/\/vimeo\.com\/channels|groups|album/igm.test(str)) {
  		arr = str.split('/');
  		if (arr && arr.length) {
  			id = arr.pop();
  		}
  	} else if (/clip_id=/igm.test(str)) {
  		arr = str.split('clip_id=');
  		if (arr && arr.length) {
  			id = arr[1].split('&')[0];
  		}
  	}
  
  	return id;
  }
docs: Get the vimeo id.
  @param {string} str - the url from which you want to extract the id
  @returns {string|undefined}