SO-20630017

by praveen_jegan

HTML

<ul class="nav">
    <li> <a class="active">linkname</a>

    </li>
</ul>

JavaScript

String.prototype.splice = function (idx, rem, s) {
    return (this.slice(0, idx) + s + this.slice(idx + Math.abs(rem)));
};

var text = $('a.active').text();
var ind = text.indexOf('name');
var result = text.splice(ind, 0, '<b class="caret">BOLD</b>');
$('a.active').html(result);