php - How to insert the value of javascript into html -


this question has answer here:

i want javascript value html input value , insert database after user click submit

<script>     var currentdate = new date();      if (currentdate.getday() == 5) {         var numberofdaystoadd = 4; //adding 4 skip sat. & sun. if friday     } else {         var numberofdaystoadd = 2; //adding 2 days if not friday     }      currentdate.setdate(currentdate.getdate() + numberofdaystoadd);     var dd = currentdate.getdate();     var mm = currentdate.getmonth() + 1;     var y = currentdate.getfullyear();     var someformatteddate = y + '-' + mm + '-' + dd;      document.getelementbyid("display").innerhtml = someformatteddate;  </script>  <?php      echo $_get['someformatteddate'];      ?>     <input type="text" class="w8em format-y-m-d highlight-days-67 range-low-today" name="due_date" id="sd" maxlength="10" value="<?php echo " someformatteddate " style="border: 3px double #cccccc; " disabled/>

since input id sd,

 document.getelementbyid("sd").value = someformatteddate;

note: elements disabled attribute not submitted, enable before submit.

full code:

<?php     echo $_get['due_date'];     ?>      <form name="myform" id="myform" method="get">     <input type="text" class="w8em format-y-m-d highlight-days-67 range-low-today" name="due_date" id="sd" maxlength="10" style="border: 3px double #cccccc; " readonly/>     <input type="submit" name="btn_submit" value="submit"> </form>  <script>     var currentdate = new date();     if (currentdate.getday() == 5) {         var numberofdaystoadd = 4; //adding 4 skip sat. & sun. if friday     } else {         var numberofdaystoadd = 2; //adding 2 days if not friday     }     currentdate.setdate(currentdate.getdate() + numberofdaystoadd);     var dd = currentdate.getdate();     var mm = currentdate.getmonth() + 1;     var y = currentdate.getfullyear();     var someformatteddate = y + '-' + mm + '-' + dd;       document.getelementbyid("sd").value = someformatteddate;  </script>

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