$(this).find("a").attr("onclick"); onclick giving invalid character

Question

I m creating a dynamic tab using Jquery its working fine but giving error for anchor tag onclick error is invalid character. See the javascript:

$(document).ready(function(){

    //when page loads...
    $(".tab_content").hide(); //hide all content
    $("ol.tabs li:first").addClass("active").show();  //Activate first tab
    $(".tab_content:first").show(); // show first tab content

    //on click event
    $("ol.tabs li").click(function(){
        $("ol.tabs li").removeClass("active"); //remove any "active" class
        $(this).addClass("active"); // add "active" class to selected tabs
        $(".tab_content").hide(); // hide all tab content
        //var activeTab = $(this).find("a").attr("href"); // find href attribute value to identify the active tab + content
        var activeTab = $(this).find("a").attr("onclick"); // find href attribute value to identify the active tab + content
        $(activeTab).fadeIn(); // fadeIn the active ID content
        alert(activeTab);
        return false;
    });

});

And the HTML:

<div>
    <div id="tab1" class="tab_content">01</div>
    <div id="tab2" class="tab_content">02</div>
    <div id="tab3" class="tab_content">03</div>
</div>
<ol class="tabs">
    <li><a onclick="#tab1">Unique benefits</a></li>
    <li><a onclick="#tab2">Insurance</a></li>
    <li><a onclick="#tab3">Business Loan</a></li>
</ol>

If i use var activeTab = $(this).find("a").attr("href"); Its work fine. Help out

Solution

Thats the expected behaviour.

Because, last time I checked, onclick was an event and not an attribute or property.
Also href and onclick are completely different things.