jQuery_API_03_Attributes

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jQuery Office HTML JavaScript XHTML

<!DOCTYPE html PUBLIC "-//W<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="C">3C</chmetcnv>//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

</style>

</head>

<body>

$("document").ready(function(){

////////////////////////////////////////////////////////////////////////////////////////

//Attr:

//attr( name ) Returns: Object

//Access a property on the first matched element. This method makes it easy to retrieve a property value from the first matched element. If the element does not have an attribute with such a name, undefined is returned. Attributes include title, alt, src, href, width, style, etc.

// var title = $("em").attr("title");

// $("div").text(title);

//attr( properties ) Returns: jQuery

//Set a key/value object as properties to all matched elements.

// $("img").attr({

// src: "/images/hat.gif",

// title: "jQuery",

// alt: "jQuery Logo"

// });

// $("div").text($("img").attr("alt"));

//attr( key, value ) Returns: jQuery

//Set a single property to a value, on all matched elements.

//$("button:gt(1)").attr("disabled","disabled");

//attr( key, fn ) Returns: jQuery

//Set a single property to a computed value, on all matched elements.

// $("div").attr("id", function (arr) {

// return "div-id" + arr;

// })

// .each(function () {

// $("span", this).html("(ID = '<b>" + this.id + "</b>')");

// });

//removeAttr( name ) Returns: jQuery

//Remove an attribute from each of the matched elements.

// $("button").click(function () {

// $(this).next().removeAttr("disabled")

// .focus()

// .val("editable now");

// });

////////////////////////////////////////////////////////////////////////////////////////

//Class:

//addClass( class ) Returns: jQuery

//Adds the specified class(es) to each of the set of matched elements.

//$("p:last").addClass("selected");

//hasClass( class ) Returns: Boolean

//Returns true if the specified class is present on at least one of the set of matched elements.

//$("div#result1").append($("p:first").hasClass("selected").toString());

//$("div#result2").append($("p:last").hasClass("selected").toString());

//$("div#result3").append($("p").hasClass("selected").toString());

//removeClass( class ) Returns: jQuery

//Removes all or the specified class(es) from the set of matched elements.

//$("p:even").removeClass("blue");

//toggleClass( class ) Returns: jQuery

//Adds the specified class if it is not present, removes the specified class if it is present.

// $("p").click(function () {

// $(this).toggleClass("highlight");

// });

////////////////////////////////////////////////////////////////////////////////////////

//HTML:

//html( ) Returns: String

//Get the html contents (innerHTML) of the first matched element. This property is not available on XML documents (although it will work for XHTML documents).

// $("p").click(function () {

// var htmlStr = $(this).html();

// $(this).text(htmlStr);

// });

//html( val ) Returns: jQuery

//Set the html contents of every matched element. This property is not available on XML documents (although it will work for XHTML documents).

//$("div").html("<span class='red'>Hello <b>Again</b></span>");

////////////////////////////////////////////////////////////////////////////////////////

//Text:

//text( ) Returns: String

//Get the combined text contents of all matched elements.

// var str = $("p:first").text();

// $("p:last").html(str);

//text( val ) Returns: jQuery

//Set the text contents of all matched elements.

// var str = $("p:first").text();

// $("p:last").html(str);

////////////////////////////////////////////////////////////////////////////////////////

//Value:

//val( ) Returns: String, Array

//Get the content of the value attribute of the first matched element.

// $("input").keyup(function () {

// var value = $(this).val();

// $("p").text(value);

// }).keyup();

//val( val ) Returns: jQuery

//Set the value attribute of every matched element.

// $("button").click(function () {

// var text = $(this).text();

// $("input").val(text);

// });

//val( val ) Returns: jQuery

//Checks, or selects, all the radio buttons, checkboxes, and select options that match the set of values.

// $("#single").val("Single2");

// $("#multiple").val(["Multiple2", "Multiple3"]);

// $("input").val(["check1","check2", "radio1" ]);

////////////////////////////////////////////////////////////////////////////////////////

</script>

</body>

</html>

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jQuery_API_04_Traversing | jQuery_API_02_Selectors

2008-12-12 20:30
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