我有一个表，其中输入控件调用java脚本事件 oninput =＆＃34; THIS.VALUE = this.value.replace（/ [^ 0-9] /克，＆＃39;＆＃39）;
通过单击“添加行”，将插入新行，但我也想在新行上调用此事件。除了积极的整数之外，此事件将停止 使用以下代码。
<html>
<head>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/7.0.0/normalize.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
</head>
<body>
<input type="hidden" id="minsize" value="1">
<div class="">
<table id="mintable" class="table table-bordered table-striped stripe hover row-border">
<thead class="div-head">
<tr>
<th><b>Roll No</b></th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" id='rollno0' oninput="this.value=this.value.replace(/[^0-9]/g,'');" class="form-control"></td>
</tr>
</tbody>
</table>
<input type="hidden" name="minRows" id="minRows" value='1'>
<input type="hidden" id="sizemin" name="sizemin" value='1' />
</div>
<input type="submit" data-toggle="tooltip" title="Insert new horizon
" data-placement="top" class="btn btn-primary" id="button" value="Add Row" onClick="addRow()" />
<script>
function addRow() {
var table = document.getElementById("mintable");
var rowCount = parseInt(document.getElementById("minRows").value);
var rowInsert = parseInt(document.getElementById("sizemin").value);
var row = table.insertRow(rowInsert + 1);
var cell1 = row.insertCell(0);
var element1 = document.createElement("input");
element1.type = "text";
element1.id = "rollnoo" + (rowCount);
element1.className = "form-control";
cell1.appendChild(element1);
rowCount = parseInt(rowCount)+ 1;
document.getElementById("minRows").value = rowCount;
document.getElementById("sizemin").value =
parseInt(document.getElementById("sizemin").value) + 1;
}
</script>
</body>
</html>
答案 0 :(得分：0)
尝试以下语法将事件处理程序添加到新创建的元素：
element1.oninput = function() {
this.value = this.value.replace(/[^0-9]/g,'');
}
<html>
<head>
<link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/7.0.0/normalize.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
</head>
<body>
<input type="hidden" id="minsize" value="1">
<div class="">
<table id="mintable" class="table table-bordered table-striped stripe hover row-border">
<thead class="div-head">
<tr>
<th><b>Roll No</b></th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" id='rollno0' oninput="this.value=this.value.replace(/[^0-9]/g,'');" class="form-control"></td>
</tr>
</tbody>
</table>
<input type="hidden" name="minRows" id="minRows" value='1'>
<input type="hidden" id="sizemin" name="sizemin" value='1' />
</div>
<input type="submit" data-toggle="tooltip" title="Insert new horizon
" data-placement="top" class="btn btn-primary" id="button" value="Add Row" onClick="addRow()" />
<script>
function addRow() {
var table = document.getElementById("mintable");
var rowCount = parseInt(document.getElementById("minRows").value);
var rowInsert = parseInt(document.getElementById("sizemin").value);
var row = table.insertRow(rowInsert + 1);
var cell1 = row.insertCell(0);
var element1 = document.createElement("input");
element1.type = "text";
element1.id = "rollnoo" + (rowCount);
element1.className = "form-control";
element1.oninput = function() {
this.value = this.value.replace(/[^0-9]/g,'');
}
cell1.appendChild(element1);
rowCount = parseInt(rowCount)+ 1;
document.getElementById("minRows").value = rowCount;
document.getElementById("sizemin").value =
parseInt(document.getElementById("sizemin").value) + 1;
}
</script>
</body>
</html>