jquery

The gradient plugin adds a dynamically created configurable gradient to the background of an element without the use of images.

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$("p").css("background", "#ff0000");

// In this example, each row in a table will get a red background when // the mouse moves over it and a white background when the mouse leaves. $("tr").hover(function(){ $(this).css("background","#0000ff"); }, function(){ $(this).css("background","#ffffff"); });

attr(name)

// will change the image source, and the image displayed on the page will change $("img").attr("src", "myimage.jpg");

// hides every other <p> on the page $("p:odd").hide();

// place a username and password input field on the page <input type=text id="username"> <input type=password id="pass"> // call a server-based PHP file that will process the information passed to it $.post("myFormProcessor.php", {username: $("#username").val(), password: $("#pass").val()}); // conversely, this PHP file could also return information to the function, from which // you could process the results $.post("myFormProcessor.php", {username: $("#username").val(), password: $("#pass").val()}, function(data){ // the data variable contains the text returned from the server, you don't // have to set anything up ahead of time, jQuery will do it all for you if (data != "ERROR") $("#responseDiv").text(data); } );

What does this mean? Well, based on the ability to load any Web page, and then parse it with jQuery, you have at your hands a very effective and easy-to-program page scraper, from which you can gather any type of information from any page.

var t = $(obj).parent().siblings(0).val();

“The obj (save button) has a parent (a div)… go find it. This object has one or more objects on the same level of the DOM tree… I want the first one. And grab the value of that object.”

This plugin allows you to easily animate any series of elements, by sequentially scrolling them. It uses jQuery.ScrollTo to achieve the scrolling animation.