Highlight a word with jQuery

Question

I basically need to highlight a particular word in a block of text. For example, pretend I wanted to highlight the word "dolor" in this text:

Answer 1

function hiliter(word, element) {
    var rgxp = new RegExp(word, 'g');
    var repl = '' + word + '';
    element.innerHTML = element.innerHTML.replace(rgxp, repl);
}
hiliter('dolor');