The Markup
<html>
<head>
<title>Create Elements Dynamically using JQuery</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.9.1/jquery-ui.min.js">
</script>
<style>
body {
font: 13px verdana;
font-weight: normal;
}
</style>
</head>
<body>
<div id="main">
<input type="button" id="btAdd" value="Add Element" class="bt" />
<input type="button" id="btRemove" value="Remove Element" class="bt" />
<input type="button" id="btRemoveAll" value="Remove All" class="bt" /><br />
</div>
</body>
The Script
<script>
$(document).ready(function() {
var iCnt = 0;
// CREATE A "DIV" ELEMENT AND DESIGN IT USING JQUERY ".css()" CLASS.
var container = $(document.createElement('div')).css({
padding: '5px', margin: '20px', width: '170px', border: '1px dashed',
borderTopColor: '#999', borderBottomColor: '#999',
borderLeftColor: '#999', borderRightColor: '#999'
});
$('#btAdd').click(function() {
if (iCnt <= 19) {
iCnt = iCnt + 1;
// ADD TEXTBOX.
$(container).append('<input type=text class="input" id=tb' + iCnt + ' ' +
'value="Text Element ' + iCnt + '" />');
// SHOW SUBMIT BUTTON IF ATLEAST "1" ELEMENT HAS BEEN CREATED.
if (iCnt == 1) {
var divSubmit = $(document.createElement('div'));
$(divSubmit).append('<input type=button class="bt"
onclick="GetTextValue()"' +
'id=btSubmit value=Submit />');
}
// ADD BOTH THE DIV ELEMENTS TO THE "main" CONTAINER.
$('#main').after(container, divSubmit);
}
// AFTER REACHING THE SPECIFIED LIMIT, DISABLE THE "ADD" BUTTON.
// (20 IS THE LIMIT WE HAVE SET)
else {
$(container).append('<label>Reached the limit</label>');
$('#btAdd').attr('class', 'bt-disable');
$('#btAdd').attr('disabled', 'disabled');
}
});
// REMOVE ELEMENTS ONE PER CLICK.
$('#btRemove').click(function() {
if (iCnt != 0) { $('#tb' + iCnt).remove(); iCnt = iCnt - 1; }
if (iCnt == 0) {
$(container).
.empty()
.remove();
$('#btSubmit').remove();
$('#btAdd')
.removeAttr('disabled')
.attr('class', 'bt')
}
});
// REMOVE ALL THE ELEMENTS IN THE CONTAINER.
$('#btRemoveAll').click(function() {
$(container)
.empty()
.remove();
$('#btSubmit').remove();
iCnt = 0;
$('#btAdd')
.removeAttr('disabled')
.attr('class', 'bt');
});
});
// PICK THE VALUES FROM EACH TEXTBOX WHEN "SUBMIT" BUTTON IS CLICKED.
var divValue, values = '';
function GetTextValue() {
$(divValue)
.empty()
.remove();
values = '';
$('.input').each(function() {
divValue = $(document.createElement('div')).css({
padding:'5px', width:'200px'
});
values += this.value + '<br />'
});
$(divValue).append('<p><b>Your selected values</b></p>' + values);
$('body').append(divValue);
}
</script>
</html>
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