javascript - Show new field after button click -


i want make field shows after button click.
heres code far:

            <div class="control-group" style="display:none" id="passwordfield">                 <label class="control-label">password:</label>                  <div class="controls"><input id="pw" type="password"></div>             </div>

the "display:none" makes invisible, after have button , javascript should change display "block", making visible again.

            <div style="padding-left: 160px;padding-bottom:20px">                 <button class="btn btn-primary" onclick="showpwfield()">log-in</button>                 <script>                     function showpwfield() {                         document.getelementbyid("passwordfield").style.display = "block";                     }                 </script>             </div>

but doesnt work. function gets called tested alert, can't change style :/

thanks in advance

the error getelementbyid not exist, should use getelementbyid:

function showpwfield() {     document.getelementbyid("passwordfield").style.display = "block"; } 

<div class="control-group" style="display:none" id="passwordfield">                  <label class="control-label">password:</label>                    <div class="controls"><input id="pw" type="password"></div>              </div>          <div style="padding-left: 160px;padding-bottom:20px">              <button class="btn btn-primary" onclick="showpwfield()">log-in</button>              <script>                  function showpwfield() {                      document.getelementbyid("passwordfield").style.display = "block";                  }              </script>          </div>


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