jQuery remove text in input on focus

$(function(){
    var input = $('input.text'); // input text field
    var default_value = input.val();
    input.focus(function(){
        if ($.trim($(input).val()) == default_value) input.val('');
    });
    input.blur(function(){
        if ($.trim($(input).val()) == '') input.val(default_value);
    });
});​

$(function(){ var input = $('input.text'); // input text field var default_value = input.val(); input.focus(function(){ if ($.trim($(input).val()) == default_value) input.val(''); }); input.blur(function(){ if ($.trim($(input).val()) == '') input.val(default_value); }); });​

<form class="well">
    <div class="control-group">
        <input type="text" placeholder="placeholder text" />
    </div>
    <div class="control-group">
        <textarea placeholder="placeholder text (will disappear after typing)" cols="30" rows="5"></textarea>
    </div>
</form>​

<form class="well"> <div class="control-group"> <input type="text" placeholder="placeholder text" /> </div> <div class="control-group"> <textarea placeholder="placeholder text (will disappear after typing)" cols="30" rows="5"></textarea> </div> </form>​