我已经设置了一个div来隐藏,在文档点击时会有褪色效果,它在点击任何位置时都会隐藏,但问题是它在另一次点击时会重新出现,然后转到隐藏,它不应该在任何另一次单击时重新出现。
我试过这样。
Javascript代码
<script type="text/javascript">
var fired = false;
if(!fired){
document.onclick=function(){close_box_fadeOut()};
delete this.onclick;
}var fired = true;
function close_box(){
document.getElementById("search-result").style.display="none";
}
function close_box_fadeOut(){
setOpacity( 100 );
document.getElementById("search-result").style.display="block";
fadeOut();
setTimeout(close_box, 800);
}
function setOpacity( value ) {
document.getElementById("search-result").style.opacity = value / 10;
document.getElementById("search-result").style.filter = 'alpha(opacity=' + value * 10 + ')';
}
function fadeOut() {
for( var i = 0 ; i <= 100 ; i++ )
setTimeout( 'setOpacity(' + (10 - i / 10) + ')' , 8 * i );
}
</script>
enter code here
html代码
<div id="search-result"></div>
和Css代码
<style>
#search-result{
width: 500px;
height: 25px;
background:#069;
border: 5px solid #000;
display: block;
}
</style>
请查看并建议任何可能的方法。
感谢
即时搜索代码
function showResult(str)
{
if (str.length==0)
{
document.getElementById("search-result").innerHTML="";
document.getElementById("search-result").style.border="0px";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("search-result").innerHTML=xmlhttp.responseText;
document.getElementById("search-result").style.border="1px solid #A5ACB2";
document.getElementById("search-result").autocomplete="off";
document.getElementById("search-result").style.display="block";
var fired = false;
var fade = false;
document.onclick = function(){
close_box_fadeOut();
if(!fade){
document.getElementById("search-input").onmouseenter = function(){
show_box_fadeIn()
delete this.onmouseenter;};
};
}
document.getElementById("search-input").onmouseleave = function(){
var fade = true;
if(fade){
document.getElementById("search-input").onmouseenter = function(){
show_box()};
};
}
document.getElementById("search-input").onclick = function(e){
if(!e) {
e = window.event;
}
if(e.stopPropagation && e.preventDefault) {
e.stopPropagation();
e.preventDefault();
} else {
e.cancelBubble = true;
e.returnValue = false;
}show_box(); return true;
};
}
}
xmlhttp.open("GET","instant-search.php?keyword="+str,true);
xmlhttp.send();
}
function close_box(){
document.getElementById("search-result").style.display="none";
}
function close_box_fadeOut(){
if(fired ){
return;
}
fired = true;
setOpacity( 100 );
document.getElementById("search-result").style.display="block";
fadeOut();
setTimeout(close_box, 800);
}
function show_box(){
document.getElementById("search-result").style.display="block";
}
function show_box_fadeIn(){
setOpacity( 0 );
document.getElementById("search-result").style.display="block";
fadeIn()
}
function setOpacity( value ) {
document.getElementById("search-result").style.opacity = value / 10;
document.getElementById("search-result").style.filter = 'alpha(opacity=' + value * 10 + ')';
}
function fadeIn() {
for( var i = 20 ; i <= 100 ; i++ )
setTimeout( 'setOpacity(' + (i / 5) + ')' , 5 * i );
}
function fadeOut() {
//for( var i = 20 ; i <= 100 ; i++ )
//setTimeout( 'setOpacity(' + (5 - i / 5) + ')' , 5 * i );
for( var i = 0 ; i <= 100 ; i++ )
setTimeout( 'setOpacity(' + (10 - i / 10) + ')' , 8 * i );
}
在document.onclick
中注册的函数在每次单击时都会被调用,无论是否激发为false。您需要在close_box_fadeOut()
函数内部或调用click函数期间的其他地方检查fired是否为false。
例如:
function close_box_fadeOut(){
if(fired){
return;
}
setOpacity( 100 );
document.getElementById("search-result").style.display="block";
fadeOut();
setTimeout(close_box, 800);
}
编辑:以下是我如何更改您的所有代码以使其正常工作:
<script type="text/javascript">
var fired = false;
document.onclick=function(){close_box_fadeOut()};
function close_box(){
document.getElementById("search-result").style.display="none";
}
function close_box_fadeOut(){
if(fired){
return;
}
fired = true;
setOpacity( 100 );
document.getElementById("search-result").style.display="block";
fadeOut();
setTimeout(close_box, 800);
}
function setOpacity( value ) {
document.getElementById("search-result").style.opacity = value / 10;
document.getElementById("search-result").style.filter = 'alpha(opacity=' + value * 10 + ')';
}
function fadeOut() {
for( var i = 0 ; i <= 100 ; i++ )
setTimeout( 'setOpacity(' + (10 - i / 10) + ')' , 8 * i );
}
</script>
编辑2:以下是您的点击效果。
document.onclick = function(){
if(fade){
return;
}
document.getElementById("search-input").onmouseenter = function(){
show_box_fadeIn()
delete this.onmouseenter;
};
};
您的close_box_fadeOut()
函数具有行
document.getElementById("search-result").style.display="block";
这将使元素在再次淡出之前重新出现。