| jQuery | Description |
|---|---|
| Tag Name: | Represents a tag name available in the DOM. For example $('p') selects all paragraphs in the document. |
| Tag ID: | Represents a tag available with the given ID in the DOM. For example $('#some-id') selects the single element in the document that has an ID of some-id. |
| Tag Class: | Represents a tag available with the given class in the DOM. For example $('.some-class') selects all elements in the document that have a class of some-class. |
<html>
<head>
<title>the title</title>
<script type="text/javascript"
src="/jquery/jquery-1.3.2.min.js"></script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
var pars = $("p");
for( i=0; i<pars.length; i++ ){
alert("Found paragraph: " + pars[i].innerHTML);
}
});
</script>
</head>
<body>
<div>
<p class="myclass">This is a paragraph.</p>
<p id="myid">This is second paragraph.</p>
<p>This is third paragraph.</p>
</div>
</body>
</html>
|
| Selector | Description |
|---|---|
| Name | Selects all elements which match with the given element Name. |
| #ID | Selects a single element which matches with the given ID |
| .Class | Selects all elements which match with the given Class. |
| Universal (*) | Selects all elements available in a DOM. |
| Multiple Elements E, F, G | Selects the combined results of all the specified selectors E, F or G. |
$('E, F, G,....')
|
<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
var elements = $(".big, #divid3");
for( i=0; i<elements.length; i++ ){
alert("Found element: " + elements[i].innerHTML);
}
});
</script>
</head>
<body>
<div class="big" id="divid1">
<p class="para1" id="pid1">This is first paragraph.</p>
<p class="para2" id="pid2">This is second paragraph.</p>
<p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />
<div class="big" id="divid2">
<p>This is second division of the DOM.</p>
<p>This is second para inside second division.</p>
</div>
<br />
<div class="medium" id="divid3">
<p>This is a para inside third division</p>
</div>
</body>
</html>
$('*')
|
<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
var elements = $("*");
for( i=0; i<elements.length; i++ ){
alert("Found element: " + elements[i].innerHTML);
}
});
</script>
</head>
<body>
<div class="big" id="divid1">
<p class="para1" id="pid1">This is first paragraph.</p>
<p class="para2" id="pid2">This is second paragraph.</p>
<p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />
<div class="big" id="divid2">
<p>This is second division of the DOM.</p>
<p>This is second para inside second division.</p>
</div>
<br />
<div class="medium" id="divid3">
<p>This is a para inside third division</p>
</div>
</body>
</html>
$('.classid')
|
<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
var divs = $(".big");
for( i=0; i<divs.length; i++ ){
alert("Found Division: " + divs[i].innerHTML);
}
});
</script>
</head>
<body>
<div class="big" id="divid1">
<p class="para1" id="pid1">This is first paragraph.</p>
<p class="para2" id="pid2">This is second paragraph.</p>
<p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />
<div class="big" id="divid2">
<p>This is second division of the DOM.</p>
<p>This is second para inside second division.</p>
</div>
<br />
<div class="medium" id="divid3">
<p>This is a para inside third division</p>
</div>
</body>
</html>
$('#elementid')
|
<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
var divs = $("#divid2");
alert("Found Division: " + divs[0].innerHTML);
});
</script>
</head>
<body>
<div class="div1" id="divid1">
<p class="para1" id="pid1">This is first paragraph.</p>
<p class="para2" id="pid2">This is second paragraph.</p>
<p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />
<div class="div2" id="divid2">
<p>This is second division of the DOM.</p>
</div>
<br />
<div class="div3" id="divid3">
<p>This is a para inside third division</p>
</div>
</body>
</html>
$('tagname')
|
<html>
<head>
<title>The Selecter Example</title>
<script type="text/javascript" src="/jquery/jquery-1.3.2.min.js">
</script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
/* This would select all the divisions */
var divs = $("div");
for( i=0; i<divs.length; i++ ){
alert("Found Division: " + divs[i].innerHTML);
}
});
</script>
</head>
<body>
<div class="div1" id="divid1">
<p class="para1" id="pid1">This is first paragraph.</p>
<p class="para2" id="pid2">This is second paragraph.</p>
<p class="para3" id="pid3">This is third paragraph.</p>
</div>
<br />
<div class="div2" id="divid2">
<p>This is second division of the DOM.</p>
</div>
<br />
<div class="div3" id="divid3">
<p>This is a para inside third division</p>
</div>
</body>
</html>
<!DOCTYPE html>
