在一个onchange中有2个函数[重复]

How can i add return confirm in the onchange function? This is want i want to add return confirm('Are you sure?');

<select name='<?php echo "sel".$a; ?>' onchange='this.form.submit()' style='width: 150px'>

</div>

Create a javascript function:

<script type="text/javascript">
    function submitForm(form){
        if(confirm("Are you sure?")){
            form.submit()
        }
        else{
            location.reload()
        }

    }
</script>

And then adjust your HTML to be:

<select name='<?php echo "sel".$a; ?>' onchange='submitForm(this.form)' style='width: 150px'>