javascript - one of the two input fields is required -

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i have 2 input fields 1 file other textarea

<input class="input_field" type="file" name="title" /> <textarea class="input_field" name="info"></textarea>

user has either upload file or type text. if user leaves blank both of inputs, should "choose file or type info" if he/she fills both, ok.

my jquery:

$(function(){        $(".input_field").prop('required',true); });

i have this code. how can implement if else condition make required 1 of fields?

see fiddle https://jsfiddle.net/lez4r/652/

i modified code each elements class of input_field when form submitted.

$(function(){         $('form').submit(function (e) {             var failed = false;            $(".input_field").each(function() {                if (!$(this).val()) {                     failed = true;                   }            });              console.log(failed);             if (failed === true) {                   e.preventdefault();             }         }); });

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