Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="js/jquery-3.3.1.min.js"></script>
<title>jquery无刷新添加和删除input输入框 增加减少input框</title>
</head>
<a href="#" id="AddMoreFileBox" class="btn btn-info">添加更多的input输入框</a>
<div id="InputsWrapper">
<div><input type="text" name="mytext[]" id="field_1" value="Text 1"/><a href="#" class="removeclass">×</a></div>
</div>
<script>
$(document).ready(function() {
var MaxInputs = 8; //maximum input boxes allowed
var InputsWrapper = $("#InputsWrapper"); //Input boxes wrapper ID
var AddButton = $("#AddMoreFileBox"); //Add button ID
var x = InputsWrapper.length; //initlal text box count
var FieldCount=1; //to keep track of text box added
$(AddButton).click(function (e) //on add input button click
{
if(x <= MaxInputs) //max input box allowed
{
FieldCount++; //text box added increment
//add input box
$(InputsWrapper).append('<div><input type="text" name="mytext[]" id="field_'+ FieldCount +'" value="Text '+ FieldCount +'"/><a href="#" class="removeclass">×</a></div>');
x++; //text box increment
}
return false;
});
$("body").on("click",".removeclass", function(e){ //user click on remove text
if( x > 1 ) {
$(this).parent('div').remove(); //remove text box
x--; //decrement textbox
}
return false;
})
});
</script>
</html>
effect:
