Как исправить разрешения на домашний кофе на MacOS High Sierra

$('.clickable').click(function(){
   var sel=window.getSelection();
   var str=sel.anchorNode.nodeValue,len=str.length, a=b=sel.anchorOffset;
   while(str[a]!=' '&&a--){}; if (str[a]==' ') a++; // start of word
   while(str[b]!=' '&&b++<len){};                   // end of word+1
   console.log(str.substring(a,b));
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<p class="clickable">The objective can also be achieved by simply analysing the
string you get from <code>sel=window.getSelection()</code>. Two simple searches for
the next blank before and after the word, pointed to by the current position
(<code>sel.anchorOffset</code>) and the work is done:</p>

<p>This second paragraph is <em>not</em> clickable. I tested this on Chrome and Internet explorer (IE11)</p>