Prevent screen from moving when clicking on <a href=></a>

You can use event.preventDefault() to avoid this. Something like this:

$('a.yourclass').click(function(e)
{
    //your code
    e.preventDefault();
});

OR:

<a href="javascript:void(0)" onclick="somefunction(); return false;">link</a>

in the link enter:

<a href="javascript:void();">Link here</a>

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