1. 程式人生 > >js控制div點選隱藏顯示

js控制div點選隱藏顯示

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="author" content="http://www.softwhy.com/"/>
    <title>點選切換</title>
    <style type="text/css">
        #thediv {
            width: 200px;
            height: 50px;
            background: #ccc;
            display: none;
        }
    </style>
    <script type="text/javascript">
        window.onload = function () {
            var obt = document.getElementById("bt");
            var odiv = document.getElementById("thediv");

            function getStyle(obj, attr) {  //  誰的      那個屬性
                if (obj.currentStyle)  // ie 等
                {
                    return obj.currentStyle[attr];
                }
                else {
                    return window.getComputedStyle(obj, null)[attr];  // w3c 瀏覽器
                }
            }
            //console.log(getStyle(odiv, 'display'));
            obt.onclick = function () {
                //獲取的樣式需要寫在點選事件裡面,寫在外面只能獲取一次,不能動態獲取,
                if (getStyle(odiv, 'display') == "none") {
                    odiv.style.display = "block";
                    obt.value = "隱藏模組";
                }
                else {
                    odiv.style.display = "none";
                    obt.value = "顯示模組";
                }
            }
        }
    </script>
<body>
<input type="button" id="bt" value="顯示模組"/>
<div id="thediv"></div>
</body>
</html>

以上為第一種

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="author" content="http://www.softwhy.com/"/>
    <title>點選切換</title>
    <style type="text/css">
        #thediv {
            width: 200px;
            height: 50px;
            background: #ccc;
            display: none;
        }
    </style>
    <script type="text/javascript">
        window.onload = function () {
            var obt = document.getElementById("bt");
            var odiv = document.getElementById("thediv");
            obt.onclick = function () {
                if (odiv.style.display== "block") {
                    //第一判斷時將none改為block即可避免第一次點選無效的問題
                    odiv.style.display = "none";
                    obt.value = "顯示模組";
                }
                else {
                    odiv.style.display = "block";
                    obt.value = "隱藏模組";
                }
            }
        }
    </script>
<body>
<input type="button" id="bt" value="顯示模組"/>
<div id="thediv"></div>
</body>
</html>
以上為第二種

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="author" content="http://www.softwhy.com/" />
    <title>螞蟻部落</title>
    <style type="text/css">
        #thediv{
            width:200px;
            height:50px;
            background:#ccc;
        }
    </style>
    <script type="text/javascript">
        window.onload=function(){
            var obt=document.getElementById("bt");
            var odiv=document.getElementById("thediv");
            obt.onclick=function(){
                if(odiv.style.display=="none"){
                    odiv.style.display="block";
                    obt.value="隱藏模組";
                }
                else{
                    odiv.style.display="none";
                    obt.value="顯示模組";
                }
            }
        }
    </script>
<body>
<input type="button" id="bt" value="顯示模組"/>
<div id="thediv" style="display:none"></div>
</body>
</html>
以上為第三種