增加删除div

2018-06-24 01:05:25来源：未知阅读 ()

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>

<body>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
.div_list{
display: block;
width: 100px;
height: 100px;
border: 1px solid #000;
}
.btn_list{
position: absolute;
left: 120px;
}

</style>
<script type="text/javascript">
window.onload = function(){

function div_elem(i){
return '<div id="d'+i+'" class="div_list"><input type="button" value="删除'+i+'" id="input'+i+'" class="btn_list"></div>';
}

function add_div(){

var odiv_add = document.getElementById('div_add');
var obtn1 = document.getElementById('btn1');
var count1 = 0;

obtn1.onclick = function(){
var div_data = '';
count1++;
if (count1<=6) {
for(var i = 0; i<count1; i++){
div_data += div_elem(i);
}
}else{
alert('不能再增加了');
return;
}
odiv_add.innerHTML = div_data;
function btn_delete(){
var obtn_list = document.getElementsByClassName('btn_list');

for(var j = 0; j<obtn_list.length;j++){
(function(j){
obtn_list[j].onclick = function(){
count1--;
odiv_add.removeChild(odiv_add.childNodes[j]);
btn_delete();
}
})(j);
}
}

btn_delete()
}

}

add_div();

}

</script>
</head>
<body>
<div id="div_add"></div>
<input type="button" id="btn1" value="增加" />
</body>
</html>
</body>
</html>