您好我正在尝试调用数组中的图像以使用 JQuery 函数移动。
我添加了一个标签来标识每个 id 为 Predator 的 div。单击“播放”按钮时,我正在调用它们并移动它们。
不幸的是它没有。任何人都可以帮助发现错误吗?
<HTML>
<HEAD>
<script src="code.jquery.com/jquery-1.7.2.js"></script>
<SCRIPT language="javascript">
//************** Array ***********************
var Predatorlist = [];
//uniqueid = "anchovies" + document.getElementById('amount').value;
function addvalue()
{
Predatorlist.push(uniqueid)
alert(Predatorlist);
}
function removevalue()
{
Predatorlist.pop(uniqueid)
alert(x.innerHTML=Predatorlist);
}
//************** Array ***********************
var div = $("div");
function runIt() {
div.show("slow");
div.animate({left:'+=200'},2000);
div.slideToggle(1000);
div.slideToggle("fast");
div.animate({left:'-=200'},1500);
div.hide("slow");
div.show(1200);
div.slideUp("normal", runIt);
}
function Add() {
var id = Math.floor(Math.random()*101+1);
x = Math.random() * 550;
y = Math.random() * 250;
if (document.getElementById('amount').value < 50){
document.getElementById('amount').value++;
svg = document.getElementById("main");
// construct uniqueid for the images
uniqueid = "<div id='Predator'>" + "frog" + document.getElementById('amount').value + "</div>";
//namespaces for SVG
svgNS="http://www.w3.org/2000/svg";
xlinkNS="http://www.w3.org/1999/xlink";
// create a image element
image = document.createElementNS(svgNS, 'image');
// set id and other attributes
image.setAttributeNS(null, "id", uniqueid);
image.setAttributeNS(xlinkNS, "href","jef-frog.gif");
image.setAttributeNS(null, "x", x);
image.setAttributeNS(null, "y", y);
image.setAttributeNS(null, "width", "50");
image.setAttributeNS(null, "height", "50");
// append to svg
svg.appendChild(image);
} else {
alert("we got 50");
}
}
function Remove() {
if(document.getElementById('amount').value > 0)
{
document.getElementById('amount').value--;
svg = document.getElementById("main");
svg.removeChild(svg.lastChild);
}
}
function numinput(e){
// get the input value if enter
key=e.keyCode || e.which;
if (key==13){
total = document.getElementById("amount").value;
dummy = total;
// clear svg with image to avoid clearing the canvas
svg = document.getElementById("main");
element = svg.getElementsByTagName("image");
while(element.length>0){
element = svg.getElementsByTagName("image");
element[0].parentNode.removeChild(element[0]);
}
// use the input to create the number of frog.
while (dummy>0)
{
Add();
dummy--;
}
document.getElementById("amount").value = total;
}
}
/*function numeralsOnly(evt) {
evt = (evt) ? evt : event;
var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode :
((evt.which) ? evt.which : 0));
if (charCode > 31 && (charCode < 48 || charCode > 57)) {
return false;
}
return true;
}
*/
</SCRIPT>
</HEAD>
<BODY>
<div>
<SVG xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink" id="main" style="border:inset 1px #000000;width:600;height:300"><param name='wmode' value='transparent'/></SVG>
</div>
<H2>TESTING</H2>
PREY<BR/>
<img src="jef-frog.gif" alt="frogsonice.com" width="100" height="100"/><BR/>
<INPUT type="button" value="+" onClick="Add(); addvalue();">
<!-- disabled the textfield -->
<input type="text" id="amount" value=0 maxlength="3" size="1" onkeypress="numinput(evt)">
<INPUT type="button" value="-" onClick="Remove(); removevalue();">
<INPUT type="button" value="Play" onClick="runIt();">
</BODY>
</HTML>