ajax - function has stopped working once bootstrap was added to file -

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i have hash_gen function passes hash number post next file. function set in operation once submit button pressed delivering text var called parm_x.

that function called with:

<input style="display:none;" name="parm_x" id="hash_gen">

after submit button. function is:

  function hash_gen()   {        var url = "hash_gen.php";        new ajax(url, {            method: 'post',            oncomplete: function(response)                {                     $("hash_gen").value = response;                }         }).request();   }   hash_gen();

hash_gen.php works fine.

the function has stopped giving value once bootstrap elements , validator elements added.

where problem?

thanks

the default syntax id selector $("#id").

$("#hash_gen").value = response;

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