tryjsref_search_get 在线代码实例

 <h3>以下实例演示了如何访问搜索框字段</h3>

<input type="search" id="mySearch" placeholder="Search for something..">

<p>点击按钮获取搜索字段的预期值的提示信息。</p>

<button onclick="myFunction()">点我</button>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("mySearch").placeholder;
    document.getElementById("demo").innerHTML = x;
}
</script>