Question

我有：

/* History */

.mask3 {
  text-align: center;
}
section#history {
  padding-bottom: 0;
}
section#history h1 {
  font-size: 3em;
  margin-bottom: 1em;
  margin-top: 0.5em;
}
section#history hgroup h2 {
  margin-top: 1em;
  text-transform: capitalize;
}
section#history hgroup h3 {
  margin-top: .35em;
  font-family: 'Patua One', cursive;
}
section#history .entry-content {
  margin: 1em 0 2.5em;
}
section#history .align {
  text-align: center;
  margin-top: 10px;
  font-size: 6em;
}
/* history Image Hover */

.mask3 img {
  margin: 0 auto;
  max-width: 100%;
  display: block;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
  filter: alpha(opacity=80);
  opacity: 0.6;
  box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.2);
  -webkit-transition: all 0.3s ease-in-out;
  -moz-transition: all 0.3s ease-in-out;
  -o-transition: all 0.3s ease-in-out;
  -ms-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
}
.mask3 img:hover {
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=99)";
  filter: alpha(opacity=99);
  opacity: 1;
}

我试图这样做：

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>

<body>
  <div class="row">
    <div class="span3">
      <div class="mask3">
        <a href="img/profile-01.jpg" rel="prettyPhoto">
          <img src="img/profile-01.jpg" alt="">
        </a>
      </div>
      <div class="inside">
      </div>
      <!-- /.inside -->
    </div>
    <!-- /.span3 -->
    <div class="span3">
      <div class="mask3">
        <a href="img/profile-01.jpg" rel="prettyPhoto">
          <img src="img/profile-01.jpg" alt="">
        </a>
      </div>
      <div class="inside">
      </div>
      <!-- /.inside -->
    </div>
    <!-- /.span3 -->
    <div class="span3">
      <div class="mask3">
        <a href="img/profile-01.jpg" rel="prettyPhoto">
          <img src="img/profile-01.jpg" alt="">
        </a>
      </div>
      <div class="inside">
      </div>
      <!-- /.inside -->
    </div>
    <!-- /.span3 -->
  </div>
</body>

</html>

我收到一个未定义的警报，我该如何解决？

问题是我没有得到输入值

我怎样才能获得这个html输入的值？

0 个答案: