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How to reliably submit an HTML form with JavaScript?

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面向向阳花
面向向阳花 2020-12-13 20:33

Is there a way to submit an HTML form using JavaScript that is guaranteed to work in all situations?

I elaborate. The common approach seems to be:

fo
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  • 故里飘歌
    2020-12-13 21:08

    Create another form in JavaScript, and apply its submit() method on your original form:

    <html>
    <script>
        function hack() {
            var form = document.createElement("form");
            var myForm = document.example;
            form.submit.apply(myForm);
        }
    </script>

    <form name="example" id="example" method="get" action="">
        <input type="hidden" value="43" name="hid">
        <button 
          type="button" 
          name="submit" 
          onclick="hack();return false;"
        >Submit</button>
    </form>
</html>

    form.submit is the reference to a fresh and clean submit method, and then you use apply(myForm) to execute it with the original form.

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