Input Vervollständigung

by Dini Mer

HTML

<div class="input">
  <input class="bg" type="text">
  <input class="user-input" type="text">
</div>

CSS

*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

.input {
  position: relative;
  background-color: #fff;
  border: 1px solid #333;
}

.input input {
  display: block;
  margin: 0;
  padding: 0 10px;
  width: 100%;
  height: 30px;
  background: none;
  border: 0 none;
  color: #333;
}

.input input.bg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  color: #999;
  z-index: 1;
}

.input input.user-input {
  position: relative;
  z-index: 2;
}

JavaScript

var $input = $('input.user-input');
var $bg    = $('input.bg');

$input.on('keydown', function(e) {
  $bg.val('');
});

$input.on('keyup', function(e) {
  if($(this).val() !== '')
    $bg.val($(this).val() + 'test');
});