Can';不要使物体移动。Javascript
我用了YouTube的教程。我不明白为什么它不起作用。由于某种原因,当我按下Can';不要使物体移动。Javascript,javascript,html,css,Javascript,Html,Css,我用了YouTube的教程。我不明白为什么它不起作用。由于某种原因,当我按下A或D时,什么也没有发生 <!DOCTYPE html> <html> <head> <style type="text/css"> #container{ position: relative; height: 600px; width: 400px; outline: 2px solid black; } #cha
A
或D
时,什么也没有发生
<!DOCTYPE html>
<html>
<head>
<style type="text/css">
#container{
position: relative;
height: 600px;
width: 400px;
outline: 2px solid black;
}
#character{
position: absolute;
height: 50px;
width: 50px;
outline: 2px solid black;
background-color: #FF6600;
left: 0;
}
</style>
<body onkeydown="anim">
<div id="container">
<div id="character"></div>
</div>
<script>
var container = document.getElemnetById('container');
var character = document.getElemnetById('character');
var characterLeft = 0;
function anim(e){
if (e.keyCode == 97){
characterLeft += 2;
character.style.left = characterLeft + 'px';
}
if (e.keyCode == 100){
characterLeft -= 2;
character.style.left = characterLeft + 'px';
}
}
</script>
</body>
</head>
</html>
#容器{
位置:相对位置;
高度:600px;
宽度:400px;
外形:2倍纯黑;
}
#性格{
位置:绝对位置;
高度:50px;
宽度:50px;
外形:2倍纯黑;
背景色:#FF6600;
左:0;
}
var container=document.getElemnetById('container');
var character=document.getElemnetById('character');
var characterLeft=0;
功能动画(e){
如果(e.keyCode==97){
characterLeft+=2;
character.style.left=characterLeft+'px';
}
如果(e.keyCode==100){
characterLeft-=2;
character.style.left=characterLeft+'px';
}
}
`使用这个
<div id="pop" onclick="anim();">
<span>click me</span>
<div id="container">
<div id="character">
</div>
</div>
<script>
var container = document.getElemnetById('container');
var character = document.getElemnetById('character');
var characterLeft = 0;
function anim()
{
alert('yes it work!!');
if (e.keyCode == 97){
characterLeft += 2;
character.style.left = characterLeft + 'px';
}
if (e.keyCode == 100){
characterLeft -= 2;
character.style.left = characterLeft + 'px';
}
}
</script>
</div>
点击我
var container=document.getElemnetById('container');
var character=document.getElemnetById('character');
var characterLeft=0;
函数anim()
{
警惕(“是的,它工作!!”);
如果(e.keyCode==97){
characterLeft+=2;
character.style.left=characterLeft+'px';
}
如果(e.keyCode==100){
characterLeft-=2;
character.style.left=characterLeft+'px';
}
}
这很有效。我还交换了按键效果-按“a”将框向左移动,按“d”将框向右移动。希望这有帮助。Gav
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
#container
{
position: relative;
height: 600px;
width: 400px;
outline: 2px solid black;
}
#character
{
position: absolute;
height: 50px;
width: 50px;
outline: 2px solid black;
background-color: #FF6600;
left: 0;
}
</style>
<body>
<div id="container">
<div id="character"></div>
</div>
<script>
var container = document.getElementById('container');
var character = document.getElementById('character');
var characterLeft = 0;
document.onkeypress = function (e) {
e = e || window.event;
var charCode = e.charCode || e.keyCode;
if (charCode == 97){
characterLeft -= 2;
character.style.left = characterLeft + 'px';
};
if (charCode == 100){
characterLeft += 2;
character.style.left = characterLeft + 'px';
}
}
</script>
</body>
</head>
</html>
#容器
{
位置:相对位置;
高度:600px;
宽度:400px;
外形:2倍纯黑;
}
#性格
{
位置:绝对位置;
高度:50px;
宽度:50px;
外形:2倍纯黑;
背景色:#FF6600;
左:0;
}
var container=document.getElementById('container');
var character=document.getElementById('character');
var characterLeft=0;
document.onkeypress=函数(e){
e=e | | window.event;
var charCode=e.charCode | | e.keyCode;
if(charCode==97){
characterLeft-=2;
character.style.left=characterLeft+'px';
};
if(charCode==100){
characterLeft+=2;
character.style.left=characterLeft+'px';
}
}
document.getElementById(“”)应该是document.getElementById(“”
而不是document.getElementById(“”)哦,谢谢。但仍然不起作用:(为什么?这和OP的代码一样有效。此外,需要点击一个键,而不是点击。不用担心。只是想一想-您可以选择其他键及其值,然后上下移动框,以及左右移动框。