jQuery is becoming more important than we think, although it's just JavaScript framework to help web coders, web programmers write the interactive tasks. However, with the higher requirements of modern web development, web designers must use jQuery to create a awesome web layout. Herein, the author guides you how to build top ten most-wanted jQuery effects: animated jQuery hover effects, jQuery slide DIV, jQuery image transition, jQuery UI accordion, ...

For these jQuery examples in this JavaScript article, you do not need to be expert to learn, but if you're loving jQuery then try more jQuery articles and tutorials:

- Create Sliding Photo Gallery using jQuery
- Amazing Bounce Effect using jQuery framework
- Super Amazing jQuery Dynamic Navigation Menu Solutions

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7. Collapsible panels

Let's combine the techniques from the previous examples and create a serie of collapsible panels (similar to the Gmail inbox panels). Notice I also used the same technique on Web Designer Wall comment list and Next2Friends message inbox? (view demo)

First line: hide all <div class="message_body"> after the first one.
Second line: hide all <li> element after the 5th
Third part: when the <p class="message_head"> is clicked, slideToggle the next <div class="message_body">
Fourth part: when the <a class="collpase_all_message"> button is clicked, slideUp all <div class="message_body">
Fifth part: when the <a class="show_all_message"> is clicked, hide this, show <a class="show_recent_only">, and slideDown all <li> after the fifth one.
Sixth part: when the <a class="show_recent_only"> is clicked, hide this, show <a class="show_all_message">, and slideUp all <li> after the 5th.

$(document).ready(function(){

	//hide message_body after the first one
	$(".message_list .message_body:gt(0)").hide();

	//hide message li after the 5th
	$(".message_list li:gt(4)").hide();

	//toggle message_body

	$(".message_head").click(function(){
	  $(this).next(".message_body").slideToggle(500)
	  return false;
	});

	//collapse all messages

	$(".collpase_all_message").click(function(){
	  $(".message_body").slideUp(500)
	  return false;
	});

	//show all messages
	$(".show_all_message").click(function(){
	  $(this).hide()
	  $(".show_recent_only").show()
	  $(".message_list li:gt(4)").slideDown()
	  return false;
	});

	//show recent messages only

	$(".show_recent_only").click(function(){
	  $(this).hide()
	  $(".show_all_message").show()
	  $(".message_list li:gt(4)").slideUp()
	  return false;
	});

});

8. Imitating the WordPress Comment Backend

I think most of you have probably seen the WordPress Ajax comment management backend. Well, let's imitate it with jQuery. In order to animate the background color, you need include the plugin. (view demo)

First line: will add "alt" class to even <div class="pane"> (to assign the grey background on every other <div >)
Second part: when <a class="btn-delete"> is clicked, alert a message, and then animate the backgroundColor and opacity of <div class="pane">
Third part: when <a class="btn-unapprove"> is clicked, first animate the backgroundColor of <div class="pane"> to yellow, then white, and addClass "spam"
Fourth part: when <a class="btn-approve"> is clicked, first animate the backgroundColor of <div class="pane"> to green, then white, and removeClass "spam"
Fifth part: when <a class="btn-spam"> is clicked, animate the backgroundColor to red and opacity ="hide"

//don't forget to include the Color Animations plugin

//<script type="text/javascript" src="/javascript/article/Essential_jQuery_Examples_for_Web_Designers/jquery.color.js"></script>

$(document).ready(function(){

	$(".pane:even").addClass("alt");

	$(".pane .btn-delete").click(function(){
	  alert("This comment will be deleted!");

	  $(this).parents(".pane").animate({ backgroundColor: "#fbc7c7" }, "fast")
	  .animate({ opacity: "hide" }, "slow")
	  return false;
	});

	$(".pane .btn-unapprove").click(function(){
	  $(this).parents(".pane").animate({ backgroundColor: "#fff568" }, "fast")
	  .animate({ backgroundColor: "#ffffff" }, "slow")
	  .addClass("spam")
	  return false;
	});

	$(".pane .btn-approve").click(function(){
	  $(this).parents(".pane").animate({ backgroundColor: "#dafda5" }, "fast")
	  .animate({ backgroundColor: "#ffffff" }, "slow")
	  .removeClass("spam")
	  return false;
	});

	$(".pane .btn-spam").click(function(){
	  $(this).parents(".pane").animate({ backgroundColor: "#fbc7c7" }, "fast")
	  .animate({ opacity: "hide" }, "slow")
	  return false;
	});

});

9. Image replacement gallery

Suppose you have a portfolio where you want to showcase multi images without jumping to another page, you can load the JPG into the target element. (view demo)

First append an empty <em> to H2.

When a link within the <p class=thumbs> is clicked:
- store its href attribute into a variable "largePath"
- store its title attribute into a variable "largeAlt"
- replace the <img id="largeImg"> scr attribute with the variable "largePath" and replace the alt attribute with the variable "largeAlt"
- Set the em content (within the h2) with the variable largeAlt (plus the brackets)

$(document).ready(function(){

	$("h2").append('<em></em>')

	$(".thumbs a").click(function(){

	  var largePath = $(this).attr("href");
	  var largeAlt = $(this).attr("title");

	  $("#largeImg").attr({ src: largePath, alt: largeAlt });

	  $("h2 em").html(" (" + largeAlt + ")"); return false;
	});

});

10. Styling different link types

With most modern browsers, styling the link selector is very easy. For example, to style the link to .pdf file, you can simply use the following CSS rule: a[href $='.pdf'] { ... }. Unfortunately, IE 6 doesn't support this (this is another reason why we hate IE!). To get around this, you can do it with jQuery. (view demo)

The first three lines should be very straight foward. They just a CSS class to the <a> element according to their href attribute.

The second part will get all <a> element that does not have "http://www.webdesignerwall.com" and/or does not start with "#" in the href attribute, then addClass "external" and set target= "_blank".

$(document).ready(function(){

	$("a[@href$=pdf]").addClass("pdf");

	$("a[@href$=zip]").addClass("zip");

	$("a[@href$=psd]").addClass("psd");

	$("a:not([@href*=http://www.webdesignerwall.com])").not("[href^=#]")
	  .addClass("external")
	  .attr({ target: "_blank" });

});

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