javascript - Issue Updating one Html.TextBoxFor based on value of another -

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i'm trying use simple jquery change text of 1 textbox half of numeric value of textbox's text.

my script:

<script> $(document).ready(function () {     $('#inventoryvalue').keyup(function () {         var stringvalue = $(this).text;         var floatvalue = (parsefloat(stringvalue).tofixed(2)) / 2;         $('#fiftypercentmultiplier').text(floatvalue);     }); }); </script>

my textboxes defined so:

 <tr>      <td>          <b>@html.labelfor(model => model.inventoryvalue, new { @class = "control-label col-md-2" })</b>      </td>      <td>          @html.textboxfor(model => model.inventoryvalue, new { id = "inventoryvalue" })          @html.validationmessagefor(model => model.inventoryvalue)      </td> </tr> <tr>      <td>          <b>@html.labelfor(model => model.fiftypercentmultiplier, new { @class = "control-label col-md-2" })</b>      </td>      <td>          @html.textboxfor(model => model.fiftypercentmultiplier, new { id = "fiftypercentmultiplier" })          @html.validationmessagefor(model => model.fiftypercentmultiplier)      </td> </tr>

rendered textboxes:

<input data-val="true" data-val-number="the field *competitive inventory value: must number." id="inventoryvalue" name="inventoryvalue" type="text" value="" /> <input data-val="true" data-val-number="the field *50% (.50) multiplier: must number." id="fiftypercentmultiplier" name="fiftypercentmultiplier" type="text" value="" />

thank in advance help. i've spent last 2 hours @ work smashing head on this!

use .val() instead of .text().

$('#fiftypercentmultiplier').val(floatvalue);

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