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var inputElem = document.createElement("input");
inputElem.id = "questionScaleRows";
inputElem.name = "questionnaire.lineQuestionTitle";
inputElem.type = "text";
inputElem.size = "40";
inputElem.value = "测试";
lineQuestionTd.appendChild(inputElem);
var inputElem = document.createElement("input");
inputElem.id = "questionScaleRows";
inputElem.name = "questionnaire.lineQuestionTitle";
inputElem.type = "hidden";
inputElem.size = "40";
inputElem.value = "测试";
inputElem.type = "text";
lineQuestionTd.appendChild(inputElem);
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<body>
<table>
<tr>
<td id="inputElem"></td>
<td>
<button onclick="addInput()"></button>
</td>
</tr>
</table>
</body>
<script type="text/javascript">
window.onload = function() {
var lineQuestionTd = document.getElementById("inputElem");
console.log(inputElem)
var inputElem = document.createElement("input");
inputElem.id = "questionScaleRows";
inputElem.name = "questionnaire.lineQuestionTitle";
inputElem.type = "text";
inputElem.size = "40";
inputElem.value = "测试";
lineQuestionTd.appendChild(inputElem);
}
function addInput() {
var lineQuestionTd = document.getElementById("inputElem");
console.log(inputElem)
var inputElem = document.createElement("input");
inputElem.id = "questionScaleRows";
inputElem.name = "questionnaire.lineQuestionTitle";
inputElem.type = "text";
inputElem.size = "40";
inputElem.value = "测试";
lineQuestionTd.appendChild(inputElem);
}
</script>
</html>