tryjsref_search_disabled3 在线代码实例

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<!DOCTYPE html>
<html>
<body>
搜索: <input type="search" id="mySearch"><br><br>
<button onclick="disableBtn()">禁用搜索字段</button>
<button onclick="undisableBtn()">启用搜索字段</button>
<script>
function disableBtn() {
    document.getElementById("mySearch").disabled = true;
}
function undisableBtn() {
    document.getElementById("mySearch").disabled = false;
}
</script>
</body>
</html>
 
 
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运行结果
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