[HTML]動態增加input物件

參考網址：https://www.sanwebe.com/2013/03/addremove-input-fields-dynamically-with-jquery

https://dotblogs.com.tw/newmonkey48/2016/12/14/180815

$(document).ready(function() {
	var max_fields      = 10; //maximum input boxes allowed
	var wrapper   		= $(".input_fields_wrap"); //Fields wrapper
	var add_button      = $(".add_field_button"); //Add button ID
	
	var x = 1; //initlal text box count
	$(add_button).click(function(e){ //on add input button click
		e.preventDefault();
		if(x < max_fields){ //max input box allowed
			x++; //text box increment
			$(wrapper).append('<div><input type="text" name="mytext[]"/><a href="#" class="remove_field">Remove</a></div>'); //add input box
		}
	});
	
	$(wrapper).on("click",".remove_field", function(e){ //user click on remove text
		e.preventDefault(); $(this).parent('div').remove(); x--;
	})
});

<div class="input_fields_wrap">
    <button class="add_field_button">Add More Fields</button>
    <div><input type="text" name="mytext[]"></div>
</div>