Javascript 如何在动态添加的文本框中验证URL
当我进入动态添加的文本框时,如何检查URL是否正确 这里t3是作为输入标记的id给出的,但它只适用于第一个动态添加的文本框,不适用于其他文本框 如何验证下一个动态添加的文本框中存在的另一个URLJavascript 如何在动态添加的文本框中验证URL,javascript,html,Javascript,Html,当我进入动态添加的文本框时,如何检查URL是否正确 这里t3是作为输入标记的id给出的,但它只适用于第一个动态添加的文本框,不适用于其他文本框 如何验证下一个动态添加的文本框中存在的另一个URL <script type="text/javascript"> function GetDynamicTextBox(value){ return '<Label> &nbs
<script type="text/javascript">
function GetDynamicTextBox(value){
return '<Label> Enter the URL : </label>' +
'<input name = "habits" type="text" id = "t3" value = "' + value + '" />' +
' <input type="button" value="Remove" onclick = "RemoveTextBox(this)" /><br><br>'
}
function AddTextBox() {
var div = document.createElement('DIV');
div.innerHTML = GetDynamicTextBox("");
document.getElementById("TextBoxContainer").appendChild(div);
}
function RemoveTextBox(div) {
document.getElementById("TextBoxContainer").removeChild(div.parentNode);
}
function RecreateDynamicTextboxes() {
var values = eval('<%=Values%>');
if (values != null) {
var html = "";
for (var i = 0; i < values.length; i++) {
html += "<div>" + GetDynamicTextBox(values[i]) + "</div>";
}
document.getElementById("TextBoxContainer").innerHTML = html;
}
}
window.onload = RecreateDynamicTextboxes;
</script>
<html>
<head>
<title>T-SUMM</title>
<script type="text/javascript">
function check()
{
if (document.getElementById('t1').value==""
|| document.getElementById('t1').value==undefined)
{
alert ("Please Enter a Query");
return false;
}
var regex = /(http|https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%!\-\/]))?/;
if(!regex .test(document.getElementById('t2').value)||!regex .test(document.getElementById('t3').value))
{
alert("Please enter valid URL.");
return false;
}
return true;
}
</script>
</head>
<body>
<center>
<form method="Post" action="./result.jsp">
<table>
<br><br><Label> Enter a Query : </label>
<input name='habits' id='t1'> <br><br>
<Label> Enter the URL : </label>
<input name='habits' id='t2'>
<input id="btnAdd" type="button" value="add another URL" onclick="AddTextBox()" /><br><br>
<div id="TextBoxContainer">
<!--Textboxes will be added here -->
</div>
<input type="submit" name="submit" onclick="return check();">
</table>
</form>
</body>
</html>
函数GetDynamicTextBox(值){
return“输入URL:”+
'' +
“
”
}
函数AddTextBox(){
var div=document.createElement('div');
div.innerHTML=GetDynamicTextBox(“”);
document.getElementById(“TextBoxContainer”).appendChild(div);
}
函数RemoveTextBox(div){
document.getElementById(“TextBoxContainer”).removeChild(div.parentNode);
}
函数重新创建DynamicTextBox(){
var值=评估值(“”);
如果(值!=null){
var html=“”;
对于(变量i=0;i
输入查询:
输入URL:
HTML-index.HTML
<html>
<head>
<title>T-SUMM</title>
<script type="text/javascript" src="script.js"></script>
<script type="text/javascript">
function check()
{
if (document.getElementById('t1').value==""
|| document.getElementById('t1').value==undefined)
{
alert ("Please Enter a Query");
return false;
}
var regex = /(http|https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%!\-\/]))?/;
var boxes = document.getElementsByTagName('input');
for(i = 0; i < boxes.length; i++) {
if(boxes[i].type == "text" && boxes[i].className==="urls" && !regex.test(boxes[i].value)) {
alert("Please enter valid URL. Error in Text Box "+boxes[i].value);
return false;
}
}
return true;
}
</script>
</head>
<body>
<center>
<form method="Post" action="./result.jsp">
<table>
<br><br><Label> Enter a Query : </label>
<input name='habits' id='t1'> <br><br>
<Label> Enter the URL : </label>
<input name='habits' class="urls" id='t2'>
<input id="btnAdd" type="button" value="add another URL" onclick="AddTextBox()" /><br><br>
<div id="TextBoxContainer">
<!--Textboxes will be added here -->
</div>
<input type="submit" name="submit" onclick="return check();">
</table>
</form>
</body>
</html>
T-总和
函数检查()
{
if(document.getElementById('t1')。值=“”
||document.getElementById('t1')。值==未定义)
{
警报(“请输入查询”);
返回false;
}
var regex=/(http | https):\/\/(\w+:{0,1}\w*)?(\S+)(:[0-9]+)?(\/\\/([\w\\!:?+=&%!\-\/])?/;
var-box=document.getElementsByTagName('input');
对于(i=0;i
输入查询:
输入URL:
JS-script.JS
function GetDynamicTextBox(value){
return '<Label> Enter the URL : </label>' +
'<input name = "habits" type="text" class="urls" value = "' + value + '" />' +
' <input type="button" value="Remove" onclick = "RemoveTextBox(this)" /><br><br>'
}
function AddTextBox() {
var div = document.createElement('DIV');
div.innerHTML = GetDynamicTextBox("");
document.getElementById("TextBoxContainer").appendChild(div);
}
function RemoveTextBox(div) {
document.getElementById("TextBoxContainer").removeChild(div.parentNode);
}
function RecreateDynamicTextboxes() {
var values = eval('<%=Values%>');
if (values != null) {
var html = "";
for (var i = 0; i < values.length; i++) {
html += "<div>" + GetDynamicTextBox(values[i]) + "</div>";
}
document.getElementById("TextBoxContainer").innerHTML = html;
}
}
window.onload = RecreateDynamicTextboxes;
函数GetDynamicTextBox(值){
return“输入URL:”+
'' +
“” } 函数AddTextBox(){ var div=document.createElement('div'); div.innerHTML=GetDynamicTextBox(“”); document.getElementById(“TextBoxContainer”).appendChild(div); } 函数RemoveTextBox(div){ document.getElementById(“TextBoxContainer”).removeChild(div.parentNode); } 函数重新创建DynamicTextBox(){ var值=评估值(“”); 如果(值!=null){ var html=“”; 对于(变量i=0;i
<script type="text/javascript">
var _container = document.getElementById('TextBoxContainer');
function add(){
var _txt = document.createElement("INPUT");
_txt.type = "text";
_container.appendChild(_txt);
}
_container.onchange = function(event){
var _dom = event.target || event.srcElement;
if(_dom && _dom.tagName === "INPUT" && _dom.type === "text"){
//alert(_dom.value);
//You can validate the dom value here
}
};
document.getElementById('add').onclick=function(){
add();
};
</script>
var_container=document.getElementById('TextBoxContainer');
函数add(){
var_txt=document.createElement(“输入”);
_txt.type=“text”;
_container.appendChild(_txt);
}
_container.onchange=函数(事件){
var _dom=event.target | | event.src元素;
if(_-dom&&&u-dom.tagName==“输入”&&&u-dom.type==“文本”){
//警报(_dom.value);
//您可以在这里验证dom值
}
};
document.getElementById('add')。onclick=function(){
添加();
};
他的问题是为动态添加的元素添加验证。。。这不仅仅是关于URL验证@回旋