JAVASCRIPT

jquery empty

// Remove all child nodes of the set of matched elements from the DOM
// This method does not accept any arguments.
$("div.parent").empty();

.empty() in jquery

// Remove all child nodes of the set of matched elements from the DOM
// This method does not accept any arguments.
$("div.parent").empty();

$("button").click(function(){
   $("div").empty();
});

.empty() in jquery

empty: function() {
    var elem,
        i = 0;

    for ( ; ( elem = this[ i ] ) != null; i++ ) {
        if ( elem.nodeType === 1 ) {

            // Prevent memory leaks
            jQuery.cleanData( getAll( elem, false ) );

            // Remove any remaining nodes
            elem.textContent = "";
        }
    }

    return this;
}