Ocultar todos los elementos con clase jQuery
<!-- jQuery: -->
$('.float_form').show(); // Shows
$('.float_form').hide(); // hides
<!--vanilla javascript -->
function toggle(className, displayState){
var elements = document.getElementsByClassName(className)
for (var i = 0; i < elements.length; i++){
elements[i].style.display = displayState;
}
}
toggle('float_form', 'block'); // Shows
toggle('float_form', 'none'); // hides
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