我希望此代码仅在第一次加载页面时工作。仅在第一页加载运行Javascript
反正是有关于JavaScript的使用不IsPostBack
?
IsPostBack
:获取一个值,指示该页面是否正被渲染的首次或响应于回发被加载。 More here。
<script>
window.onload = function TimedCss()
{
setTimeout(myTimeout1, 0500)
setTimeout(myTimeout2, 1000)
setTimeout(myTimeout3, 1500)
setTimeout(myTimeout4, 2000)
setTimeout(myTimeout5, 2500)
setTimeout(myTimeout6, 3000)
}
}
function myTimeout1()
{
document.getElementById("LBLName").className = " animated fadeInLeft";
document.getElementById("LBLName").style.visibility = "visible";
}
function myTimeout2()
{
document.getElementById("LBLDescription").className = " animated rotateIn";
document.getElementById("LBLDescription").style.visibility = "visible";
}
function myTimeout3()
{
document.getElementById("P1").className = " animated zoomIn";
document.getElementById("P1").style.visibility = "visible";
}
function myTimeout4()
{
document.getElementById("TXTQuantity").className = " animated flipInY";
document.getElementById("TXTQuantity").style.visibility = "visible";
}
function myTimeout5()
{
document.getElementById("LBLPrice").className = " animated slideInLeft";
document.getElementById("LBLPrice").style.visibility = "visible";
}
function myTimeout6()
{
document.getElementById("BTNAddToCart").className += " animated fadeInUp";
document.getElementById("BTNAddToCart").style.visibility = "visible";
}
</script>
编辑 - 解决方案:
<script>
window.onload = function TimedCSS()
{
var isPostBack=<%= IsPostBack ? "true" : "false" %>
if (!isPostBack)
{
setTimeout(myTimeout1, 0500)
setTimeout(myTimeout2, 1000)
setTimeout(myTimeout3, 1500)
setTimeout(myTimeout4, 2000)
setTimeout(myTimeout5, 2500)
setTimeout(myTimeout6, 3000)
}
function myTimeout1()
{
document.getElementById("LBLName").className = " animated fadeInLeft";
document.getElementById("LBLName").style.visibility = "visible";
}
function myTimeout2()
{
document.getElementById("LBLDescription").className = " animated rotateIn";
document.getElementById("LBLDescription").style.visibility = "visible";
}
function myTimeout3()
{
document.getElementById("P1").className = " animated zoomIn";
document.getElementById("P1").style.visibility = "visible";
}
function myTimeout4()
{
document.getElementById("TXTQuantity").className = " animated flipInY";
document.getElementById("TXTQuantity").style.visibility = "visible";
}
function myTimeout5()
{
document.getElementById("LBLPrice").className = " animated slideInLeft";
document.getElementById("LBLPrice").style.visibility = "visible";
}
function myTimeout6()
{
document.getElementById("BTNAddToCart").className += " animated fadeInUp";
document.getElementById("BTNAddToCart").style.visibility = "visible";
}
</script>
除了填充文本,你可以解释'IsPostBack'是什么。 – JJJ
@Juhana [的IsPostBack ...](https://msdn.microsoft.com/en-us/library/system.web.ui.page.ispostback(V = vs.110)的.aspx) – harel486
'0500'是顺便说一下,320。 – Xufox