.text target content

HTML

<div class="title-wrap">
    <span class="title">Hello World</span>
    <br>
    This title is about Hello World
</div>

JavaScript

var test = (jQuery('.title-wrap')
        .clone()    //clone the element
        .children() //select all the children
        .remove()   //remove all the children
        .end()  //again go back to selected element
        .text() || '' );
alert (test);