jQuery prevent default, form submit twice -

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i want prevent form submit twice after changing select box. tried use e.preventdefault(), makes no difference.

        $(document).ready(function() {             $(document).on("change","#select1", function(e){                 e.preventdefault();                 $("#form1").submit();             });          });

the form won't submit twice code, does'nt prevent form submitting either, prevents change event on select, element , event binding to.


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