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How to use js/css to make tab content viewable

I am working on tab
There are 5 tabs
About Us
Our Work
Our Team
News & Events
Contact us
and inside each of them there are content and links, images.
What i am trying to achieve here whenever i click the link inside the tab Our Team content,
It should open the Contact us Tab content.
Here is the code i am using currently, It has some custom js and jquery 2.2.0 used.
Please check the code, i haven't put css here.
The live link of this example is Live Demo
Please help me
// TABS
var tabs = $('.container_tabs');
$('.tabs-content > div', tabs).each(function (i) {
if (i != 0) $(this).hide(0);
});
tabs.on('click', '.tabs a', function (e) {
e.preventDefault();
var tabId = $(this).attr('href');
$('.tabs a', tabs).removeClass();
$(this).addClass('active');
$('.tabs-content > div', tabs).hide(0);
$(tabId).show();
});
// var tabs1 = $('.container_tabs1');
// $('.tabs-content > div', tabs1).each(function (i) {
// if (i != 0) $(this).hide(0);
// });
// tabs1.on('click', '.tabs a', function (e) {
//
// e.preventDefault();
//
// var tabId = $(this).attr('href');
//
//
// $('.tabs a', tabs1).removeClass();
// $(this).addClass('active');
//
// $('.tabs-content > div', tabs1).hide(0);
// $(tabId).show();
//
// });
(function ($) {
jQuery.fn.lightTabs = function (options) {
var createTabs = function () {
tabs = this;
i = 0;
showPage = function (tabs, i) {
$(tabs).children("div").children("div").hide();
$(tabs).children("div").children("div").eq(i).show();
$(tabs).children("ul").children("li").removeClass("active");
$(tabs).children("ul").children("li").eq(i).addClass("active");
};
showPage(tabs, 0);
$(tabs).children("ul").children("li").each(function (index, element) {
$(element).attr("data-page", i);
i++;
});
$(tabs).children("ul").children("li").click(function () {
showPage($(this).parent().parent(), parseInt($(this).attr("data-page")));
});
};
return this.each(createTabs);
};
})(jQuery);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="tabs cw-wrapper">
<ul class="cw-30">
<li class="" data-page="0">About Us</li>
<li data-page="1">Our Work</li>
<li data-page="2">Our Team</li>
<li data-page="3">Our Partners</li>
<li data-page="4" class="active">Work With Us</li>
<li data-page="5">Contact us</li>
</ul>
<div class="cw-70">
<div class="content" style="display: none;">
Content 1
</div>
<div class="content" style="display: none;">
Content 2
</div>
<div class="content" style="display: none;">
Content 3
</div>
<div class="content" style="display: none;">
Content 4
</div>
<div class="content" style="display: none;">
<h3>Contact us Content</h3>
</div>
</div>
</div>

If I understand you correctly, you want to be able to switch tabs by links that are inside your tab contents too. In that case you should create a function for switching tabs, instead of a click event in you menu. here is an example:
edit #1:
I removed all onclicks and bind switchTab function to all elements that have switch-tab class.
edit #2:
As requested, you can pass initial tab number from url ?tab=x codepen
// set tab from url
// sample url: http://mywebsite.com/my-route?tab=2
$(document).ready(function() {
var url = new URL(window.location.href);
var tabNumber = url.searchParams.get('tab');
if (tabNumber)
switchTab(tabNumber);
});
// change tab by clicking an element with "switch-tab" class
$('.switch-tab').on('click', function(e) {
var tabNumber = e.target.getAttribute('data-tab');
switchTab(tabNumber);
});
// change tab by passing tab number
function switchTab(tabNumber) {
$('#tabs li').removeClass('active');
$('#tabs li[data-tab=' + tabNumber + ']').addClass('active');
$('.content').css('display', 'none');
$('.content[data-content=' + tabNumber + ']').css('display', 'block');
}
<style>
#tabs li.active {
font-weight: bold;
}
.content {
display: none;
}
.content.visible {
display: block;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="tabs cw-wrapper">
<ul class="cw-30" id="tabs">
<li data-tab="0" class="switch-tab">About Us</li>
<li data-tab="1" class="switch-tab">Our Work</li>
<li data-tab="2" class="switch-tab">Our Team</li>
<li data-tab="3" class="switch-tab">Our Partners</li>
<li data-tab="4" class="switch-tab active">Work With Us</li>
<li data-tab="5" class="switch-tab">Contact us</li>
</ul>
<div class="cw-70">
<div class="content" data-content="1">
<p>Content 1</p>
</div>
<div class="content" data-content="2">
<p>Content 2</p>
</div>
<div class="content" data-content="3">
<p>Content 3</p>
</div>
<div class="content visible" data-content="4">
<p>Content 4</p>
go to contact us
</div>
<div class="content" data-content="5">
<h3>Contact us Content</h3>
</div>
</div>
</div>

Jquery how to get ID and Title

Hello I have a UL and LI it working with function click but if get the title it not work.
Exemple:
// it work but not get title
$("#list li").on('click', function() {
var get_id = $(this).attr('id');
var get_title = ///??? how to get title h2 selector
//alert(get_id);
console.log($(this).text());
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/core.js"></script>
<ul id="list">
<li id="myID">
<h2>Title</h2> First One </li>
<li id="myID2">
<h2>Title 2</h2> Two </li>
<li id="myID4">
<h3>Title 3</h3> Tree </li>
</ul>

You need to select the h2 element then get the text using text() like :
var get_title = $(this).find('h2').text();
As #ParthShah suggested you could use a global class like title_content on your title elements, so you could target it easily using class selector :
var get_title = $(this).find('.title_content').text();
$("#list li").on('click', function() {
var get_id = $(this).attr('id');
var get_title = $(this).find('.title_content').text();
console.log(get_id + ' - ' + get_title);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="list">
<li id="myID"><h2 class="title_content">Title</h2> First One </li>
<li id="myID2"><h2 class="title_content">Title 2</h2> Two </li>
<li id="myID4"><h3 class="title_content">Title 3</h3> Tree </li>
</ul>

Use :header. No need to worry for any h1,h2,h3... tag.
$("#list li").on('click', function() {
var get_id = $(this).attr('id');
var get_title = $(this).find(":header").text();
console.log(get_title);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="list">
<li id="myID">
<h2>Title</h2> First One </li>
<li id="myID2">
<h2>Title 2</h2> Two </li>
<li id="myID4">
<h3>Title 3</h3> Tree </li>
</ul>
</div>

use jQuery's find to query within your element.
var get_title = $(this).find("h2,h3").text() //add h4,h5 etc if you need to find those too.

https://jsfiddle.net/povu503s/
$(this).children().html();
Will take the first child and grab the HTML inside

The title is a children of your targeted li. Use the .children() function to target that heading.
Hope this helps :>
// it work but not get title
$("#list li").on('click',function(){
var get_id = $(this).attr('id');
var get_title = $(this).children().text();
alert(get_title)
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul id="list" >
<li id="myID" > <h2>Title</h2> First One </li>
<li id="myID2" > <h2>Title 2</h2> Two </li>
<li id="myID4" > <h3>Title 3</h3> Tree </li>
</ul>

give class like "title_content" to your h2 and h3 tag and then fetch title by class name.
$("#list li").on('click', function() {
var get_id = $(this).attr('id');
var get_title = $(".title_content", this).text();
console.log(get_id + ' - ' + get_title);
});

Please Refer below Fiddle..
Fiddle
You can use any of below
1. var get_title = $(this).find(':header').text();
2. var get_title = $(this).children().text();

Check link click happen within a div

I would like the Javascript returning true when users click on the links within specific div
For example:
When users click on links in div having class="span1", it will return true
<div class="span1">
<h3>Title 3</h3>
<ul class="stages" dir="ltr">
<li><a href="http://www.example.com" >Example 1</a></li>
<li><a href="http://www.example.com" >Example 2</a></li>
</ul>
</div>
<div class="span2">
<h3>Title 4</h3>
<ul class="stages" dir="ltr">
<li><a href="http://www.example.com" >Example 1</a></li>
<li><a href="http://www.example.com" >Example 2</a></li>
</ul>
</div>
Thanks a lot!!

Simply use an if statement for .hasClass:
$("div").click(function(){
if($(this).hasClass("span1")){
alert("SPAN 1 CLICKED");
return true;
}
});
FIDDLE
UPDATE: I read your question too quick, here is a new fiddle which targets your a's instead of the div
NEW FIDDLE
should be this instead:
if($(this).closest("div").hasClass("span1")){

Here in pure Javascript: http://jsfiddle.net/xxx96bta/5/
var links = document.getElementsByTagName('a'); //collect your elements
for (i = 0; i < links.length; i++) {
(function () {
links[i].addEventListener('click', whatSpan, false);
})();
}
function whatSpan() {
var parentspan = this.parentNode.parentNode.parentNode.className;
if (parentspan == "span1") {
alert("you clicked span 1");
} else {
alert("you clicked span 2");
}
}

duplicate functions, how may I combine them?

I have a function that remains pretty much constant except for the changing class names. I was hoping to make the code a little less text heavy. How may I go about making it just a small function instead of repeating it n times. My concern is also about removing the active class for the last li that was clicked. I've provided only 2 instances here, but this code is repeated n number of times.Any ideas would be much appreciated.
$('a.app1-preview').click(function() {
//remove last active classes
$(".app2").removeClass('active');
$(".app2-preview").removeClass('active');
//Add active class for this
$(this).parent().addClass('active');
$(this).addClass('active');
$('.app-preview-2').fadeOut("slow", function () {
$('.app-preview-1').fadeIn("slow");
});
});
$('a.app2-preview').click(function() {
//remove last active classes
$(".app1").removeClass('active');
$(".app1-preview").removeClass('active');
//Add active class for this
$(this).parent().addClass('active');
$(this).addClass('active');
$('.app-preview-1').fadeOut("slow", function () {
$('.app-preview-2').fadeIn("slow");
});
});
HTML code:
<div class="app-container">
<ul class="apps">
<li class="app1">
<a title href="#" class="app1-preview blocklink">
<span>ANOTHER<br /> APP</span>
</a>
</li>
<li class="app2">
<a title href="#" class="app2-preview blocklink">
<span>SECOND<br /> APP</span>
</a>
</li>
</div>

Try to exploit the fact that you have .active class. ;) Preview - http://jsfiddle.net/evSqF/1/
js:
<script>
$('a.blocklink').click(function() {
var self = $(this);
$('.active').fadeOut('slow', function(){
$(this).removeClass('active');
self.fadeIn('slow');
self.addClass('active');
});
});
</script>
html:
<div class="app-container">
<ul class="apps">
<li class="app1">
<a title href="#" class="app1-preview blocklink">
<span>ANOTHER<br /> APP</span>
</a>
<div class="app-preview active">App1 preview</div>
</li>
<li class="app2">
<a title href="#" class="app2-preview blocklink">
<span>SECOND<br /> APP</span>
</a>
<div class="app-preview">App2 preview</div>
</li>
</ul>
</div>

Edit: After I got some caffeine, I noticed the problems with the setup. I've created a demo at JSFiddle. The markup will display a "header" for an app which will display the child description when clicked on, and hide the descriptions of other sibling's descriptions.
In this case, you can show the current element, and hide the siblings, which would be a cleaner solution as it scales as you at more app elements.
$(".app").click(function() {
var $self = $(this);
var $apps = $self.closest(".apps");
var $selfSiblings = $apps.children(".app").not($self);
$self.addClass(".active");
$self.find(".app-preview").addClass("active");
$selfSiblings.removeClass(".active");
$selfSiblings.find(".app-preview").removeClass("active").fadeOut("slow", function() {
$self.find(".app-preview").fadeIn("slow");
});
});​
I would also recommend rewriting your HTML as such:
<div class="app-container">
<ul class="apps">
<li class="app">
App 1<br />
<a title href="#" class="app-preview blocklink">
<span>PREVIEW 1</span>
</a>
</li>
<li class="app">
App 2<br />
<a title href="#" class="app-preview blocklink">
<span>PREVIEW 2</span>
</a>
</li>
<li class="app">
App 3<br />
<a title href="#" class="app-preview blocklink">
<span>PREVIEW 3</span>
</a>
</li>
</div>​

Write a function to make the functions for you:
function makeHandler(deactivate, fadeOut, fadeIn) {
return function() {
//remove last active classes
$(deactivate).removeClass('active');
//Add active class for this
$(this).parent().addClass('active');
$(this).addClass('active');
$(fadeOut).fadeOut("slow", function () {
$(fadeIn).fadeIn("slow");
});
});
Then:
$('a.app1-preview').click(makeHandler('.app2, .app2-preview', '.app-preview-2', '.app-preview-1'));
$('a.app2-preview').click(makeHandler('.app1, .app1-preview', '.app-preview-1', '.app-preview-2'));
You could probably simplify things further by re-thinking the naming conventions you've got.

I would suggest to define a single function:
function single(index_main, index_aux) {
// Does all your magic
}
$('a.app1-preview').click(function() {
single("1", "2");
});
$('a.app2-preview').click(function() {
single("2", "1");
});
And that does the trick.

I made a jsfiddle example for you. Have a look at it here, it uses as much code that you wrote as possible, so nothing that should surprise you will be there :)
http://jsfiddle.net/2ZPxx/
Basically I ended up with this HTML:
<div class="app-container">
<ul class="apps">
<li class="app1">
<a title href="#" class="app1-preview blocklink" id="app1">
<span>ANOTHER<br /> APP</span>
</a>
</li>
<li class="app2">
<a title href="#" class="app2-preview blocklink" id="app2">
<span>SECOND<br /> APP</span>
</a>
</li>
</div>
<div class="app-preview-app1 app-preview">App1 preview</div>
<div class="app-preview-app2 app-preview">App2 preview</div>
And this javascript:
$('.apps li a').click(function() {
var id = $(this).attr('id');
$('.apps li').removeClass('active');
//Add active class for this
$(this).parent().addClass('active');
$(this).addClass('active');
$('.app-preview').fadeOut("slow", function () {
$('.app-preview-'+id).fadeIn("slow");
});
});

How to close all elements that are opened with jquery? (Behavior similar to the accordion menu)

I have this html code:
<div id="menu">
<ul id="menuFuncionalidades">
<li>
<div class="menuFuncionalidades_categoria">
Index</div>
</li>
<li>
<div class="menuFuncionalidades_categoria">
Cadastros</div>
<div class="menuFuncionalidades_content_links">
<div class="menuFuncionalidades_content_links_descricao">
<span class="menuFuncionalidades_content_links_descricao_titulo">Descrição</span>
<div class="menuFuncionalidades_content_links_descricao_texto">
Lorem Ipsum...
</div>
</div>
<div class="menuFuncionalidades_content_links_links">
<ul><b>Acesso Usuario</b>
<li>Pesquisar </li>
<li>Incluir </li>
<li>Alterar </li>
<li>Consultar </li>
</ul>
<ul><b>Produto</b>
<li>Pesquisar </li>
<li>Incluir </li>
</ul>
<ul><b>Perfil</b>
<li>Pesquisar </li>
<li>Incluir </li>
</ul>
</div>
</div>
</li>
<li>
<div class="menuFuncionalidades_categoria">
Coletores</div>
<div class="menuFuncionalidades_content_links">
<div class="menuFuncionalidades_content_links_descricao">
<span class="menuFuncionalidades_content_links_descricao_titulo">Descrição</span>
<div class="menuFuncionalidades_content_links_descricao_texto">
Lorem Ipsum...
</div>
</div>
<div class="menuFuncionalidades_content_links_links">
<ul>
<b>Coletor 1</b>
<li>Pesquisar </li>
<li>Incluir </li>
</ul>
<ul>
<b>Coletor 2</b>
<li>Pesquisar </li>
<li>Incluir </li>
</ul>
<ul>
<b>Coletor 3</b>
<li>Pesquisar </li>
<li>Incluir </li>
</ul>
</div>
</div>
</li>
</ul>
</div>
My objective is when i click in a menuFuncionalidades_categoria i close all menuFuncionalidades_content_links that is opened, and opened the right one that is in the same level of the menuFuncionalidades_categoria that i click. So, i try this, but i have no success:
$(document).ready(function () {
$('#menuFuncionalidades > li > .menuFuncionalidades_categoria').click(function () {
$("#menu").children().find('.menuFuncionalidades_content_links').each(function () {
// I need a code here to close only the tags that are opened but is not the current
if ($(this).css('display') == 'block') {
$(this).hide();
}
});
$(this).parent().find('.menuFuncionalidades_content_links').slideToggle('normal').css('width', $('#menu').css('width'));
});
});
What am i missing or doing wrong?
OBS: The behavior that i want, is similar with accordion menu.
DEMO here: http://fiddle.jshell.net/ry9dz/1/

As #karim79 says, you can't check "display" that way - it's a css attribute, not an html attribute.
On the other hand, if you want to close all other entries, then just do that - no need to check if they are visible first! I also suggest you use a more efficient event handler for all your items, instead of binding it to all of them. Using jQuery 1.7, something like this would work:
$(document).ready(function () {
$("#menuFuncionalidades").on("click", ".menuFuncionalidades_categoria", function(event) {
var selectedMenu = $(event.target).parents("li").find(".menuFuncionalidades_content_links")
, visible = selectedMenu.is(":visible");
// Hide all others
$("#menuFuncionalidades .menuFuncionalidades_content_links").hide();
// Show this one unless it was already visible
if(!visible) {
selectedMenu
.slideToggle('normal')
.css('width', $('#menu').css('width'));
}
// Prevent the default action
event.preventDefault();
});
});

You can hide multiple elements without iterating though all of them to see which ones aren't hidden.
Replace;
$("#menu").children().find('.menuFuncionalidades_content_links').each(function () {
if ($(this).attr('display') == 'block') {
$(this).hide();
}
});
with;
$("#menu").find('.menuFuncionalidades_content_links').hide();
$(this).attr('display') is invalid as there are no "display" attribute and instead of using .css('display') == 'block' you could simply use the psuedo selector :visible.

You want the display css property:
if ($(this).css('display') == 'block') {
$(this).hide();
}
or:
if ($(this).is(':visible')) {
$(this).hide();
}