1
我正在構建這個小的cookiecript,它在單擊按鈕時創建一個cookie,然後隱藏該消息。JavaScript:未捕獲TypeError:無法讀取屬性'樣式'null
但現在我建立隱藏消息(DIV#餅乾),當餅乾被SEET功能,但我得到這個錯誤每次,但我的DIV確實存在:
Uncaught TypeError: Cannot read property 'style' of null
現在這些都我正在使用的腳本,任何人都可以幫忙嗎? :)
<script type="text/javascript">
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
function eraseCookie(name) {
createCookie(name,"",-1);
}
</script>
而這一點,在那裏,曾經的 'hidediv' 給出了錯誤,但沒有工作的一個按鈕,當點擊:
<script type="text/javascript">
function hidediv() {
if (document.getElementById) {
document.getElementById('cookie').style.visibility = 'hidden';
createCookie('uscnCookieScriptJS','uscninternetservicescookiescriptjavascriptversion',365)
}
else {
if (document.layers) {
document.hideShow.visibility = 'hidden';
createCookie('uscnCookieScriptJS','uscninternetservicescookiescriptjavascriptversion',356)
}
else {
document.all.hideShow.style.visibility = 'hidden';
createCookie('uscnCookieScriptJS','uscninternetservicescookiescriptjavascriptversion',356)
}
}
}
function showdiv() {
if (document.getElementById) {
document.getElementById('cookie').style.visibility = 'visible';
}
else {
if (document.layers) {
document.hideShow.visibility = 'visible';
}
else {
document.all.hideShow.style.visibility = 'visible';
}
}
}
</script>
<script type="text/javascript">
if (document.cookie.indexOf("uscnCookieScriptJS") >= 0) {
alert("yes");
hidediv();
}
else {
alert("no");
}
</script>
該腳本可以在這裏找到:http://dev.uscn.nl/cookiescript/v2/
您在HTML中沒有元素hideShow,但這隻會在不支持的瀏覽器中導致錯誤getElementById – 2012-08-03 09:20:25
不支持getElementById(srsly?)的瀏覽器只會引發getElementById不是函數或類似錯誤。你不會看到風格是空的或任何。 – Esailija 2012-08-03 09:23:50
也許,問題是你在加載實際的HTML內容之前調用javascript函數.. – 2013-09-25 20:51:51