<script src="//t1.daumcdn.net/mapjsapi/bundle/postcode/prod/postcode.v2.js"></script>
<script>
function setAddr(){
new daum.Postcode({
oncomplete: function(data) {
$("#addr1").val(data.zonecode);
$("#addr2").val(data.address);
setAddr();
}
}).open();
<br><br>
var postDiv = document.getElementById("postDiv");
new daum.Postcode({
oncomplete: function(data) {
$("#addr1").val(data.zonecode);
$("#addr2").val(data.address);
setAddr();
}
}).embed(postDiv );
}
</script>
<div id="postDiv"></div>