Develop Reference

How to get the attribute value of the closest element

Here i have HTML structure and the same structure may repeat number of times with the same class names. what i'm trying to do is once i click on the .innerDiv i should be able to access the attr value of the .inid close to its parent element.
here is what i have tried, but its not working. i also tried adding the classname to the element i'm trying to get the value from. but its adding the class to all the element with .inid. how can i do this?
HTML
<div class="parent_div">
<div class="content-container">
<div class="second-most-innerdiv>
<div class="container-box">
<div class="innerDiv">Click here</div>
</div>
</div>
</div>
<div class="inid" data-attr="jkoadoas-Kjksjfks_skaj"></div>
</div>
<div class="parent_div">
<div class="content-container">
<div class="second-most-innerdiv>
<div class="container-box">
<div class="innerDiv">Click here</div>
</div>
</div>
</div>
<div class="inid" data-attr="jkoadoas-Kjksjfks_skaj"></div>
</div>
Jquery
$(this).on('click',function(){
$('.innerDiv').parents().find('.inid').addClass('testclass');
$('.innerDiv').parents().find('.inid').attr(data-attr);
});

To achieve expected result, use index of innerDiv and add class-testclass to element with class- inid
Find index of clicked innerDiv using index('.innerDiv)
Use that index to add class using eq
Add some sample css to testclass for testing
Syntax error in your code - closing quotes missing for class- second-most-innerdiv
Codepen - https://codepen.io/nagasai/pen/
working example
$('.innerDiv').on('click',function(){
$('.inid').eq($(this).index('.innerDiv')).addClass('testclass');
console.log($('.inid').eq($(this).index('.innerDiv')).attr('data-attr'))
});
.testclass{
background: red;
height: 10px;
width:10px
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="parent_div">
<div class="content-container">
<div class="second-most-innerdiv">
<div class="container-box">
<div class="innerDiv">Click here</div>
</div>
</div>
</div>
<div class="inid" data-attr="jkoadoas-Kjksjfks_skaj"></div>
</div>
<div class="parent_div">
<div class="content-container">
<div class="second-most-innerdiv>
<div class="container-box">
<div class="innerDiv">Click here</div>
</div>
</div>
</div>
<div class="inid" data-attr="jkoadoas-Kjksjfks_skaj"></div>
</div>

Using JQuery closest() feature to find the parent div, then find the element with class "inid" within that parent element and get the value of the attribute.
$('.innerDiv').on('click',function(){
var inid = $(this).closest('.parent_div').find('.inid');
inid.addClass('testclass');
console.log('selected -> ' + inid.attr(data-attr));
});
Source: https://api.jquery.com/closest/

Get text of specific element by ID using $(this) keyword

I have several boxes and inside each of the boxes I have different title and headline elements.
I would like to know how I can get the text of the desired element inside the corresponding box that has been clicked, not all of the text elements.
Here's what I'm working with:
box.onclick = function(){
alert($(this).text());
};
This displays all of the text elements data in the alert box. I would like to solely target a single specified text element that has an id to get the text from it instead.
Any help would be appreciated.

You can use find() to target the child element:
$('.box').on('click', function() {
console.log($(this).find('h3').text())
})
.box{
background: #adadad;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='boxes'>
<div class='box'>
<h3>title 1</h3>
<h4>subtitle 1</h4>
</div>
<div class='box'>
<h3>title 2</h3>
<h4>subtitle 2</h4>
</div>
<div class='box'>
<h3>title 3</h3>
<h4>subtitle 3</h4>
</div>
</div>

HTML
<div id = "content">
<div id = "box">
<p>This is the box content 1 </p>
</div>
<div id = "box">
<p>This is the box content 2</p>
</div>
</div>
JS
$('*[id*=box]:visible').each(function(index) {
$(this).click(function() {
alert($(this).text());
});
});
Test it here:
https://codepen.io/bmvr/pen/WMZPXW

JS / jQuery - How together innerHTML of targeted element of a certain class and append /replace it?

I want to get the text on click with a certain class but nothing works. I have a div with 2 p tags and I want to get both separate. Also, I want to append them. .append() appends but just keeps adding all targeted events. empty().append() gives me random results (on first click it works, on second I get half of the text etc). Ive tried most of what I could find on stack overflow but nothing helped. Any help would be great!
Ive tried:
$(event.target).text(); //that gives me the text, but not both p elements separate
$(this).hasClass('.video-title'); //only returns to me true/false
var title= document.getElementsByClassName("video-title")[0].innerHTML; //doesn't give me the current element.
$('p.video-title').innerHTML; //doesnt help either
HTML
<div class="video-container">
<iframe id="vid_frame" src="https://www.youtube.com/embed/xxx?rel=0&showinfo=0&autohide=1" width="900" height="450"></iframe>
<div id="video-info"></div>
</div>
<div class="col-sm-4 video-col">
<div class="video-wrapper" onClick="attachSrc('yyy', event)">
<img src="assets/images/thumbnail/yourHeart_official.jpg" width="260" height="160">
<div class="overlay">
<p class="video-title">title 1</p>
<p class="video-author">author 1</p>
</div>
</div>
</div>
<div class="col-sm-4 video-col">
<div class="video-wrapper" onClick="attachSrc('xxx', event)">
<img src="assets/images/thumbnail/yourHeart_karaoke.jpg" width="260" height="160">
<div class="overlay">
<p class="video-title">title 2</p>
<p class="video-author">author 2</p>
</div>
</div>
</div>
<script>
function attachSrc(id, event) {
var text = $(event.target).text();
$('#video-info').append(text);
}
</script>

As you are using jQuery, I would recommend you to use unobtrusive event handler and use .on() to attach event handlers.
Here in example I have attached event with wrapper element and DOM traversal method to traverse and target desired element.
And to persists arbitrary data use data-* prefixed custom attribute which can be fetched using .data(key)
<div class="video-wrapper" data-id="yyy">
Script
$('.video-col').on('click', '.video-wrapper', function() {
var elem = $('#video-info').empty();
var title = $(this).find('.video-title').text();
elem.append(title);
console.log(title);
var author= $(this).find('.video-author').text();
elem.append(author);
console.log(author);
console.log($(this).data('id'));// To fetch custom data associated with element
});
$(function() {
$('.video-col').on('click', '.video-wrapper', function() {
console.clear();
var elem = $('#video-info').empty();
var title = $(this).find('.video-title').text();
elem.append(title);
console.log(title);
var author = $(this).find('.video-author').text();
elem.append(author);
console.log(author);
console.log($(this).data('id')); // To fetch custom data associated with element
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="video-container">
<div id="video-info"></div>
</div>
<div class="col-sm-4 video-col">
<div class="video-wrapper" data-id="yyy">
<img src="assets/images/thumbnail/yourHeart_official.jpg" width="260" height="160">
<div class="overlay">
<p class="video-title">title 1</p>
<p class="video-author">author 1</p>
</div>
</div>
</div>
<div class="col-sm-4 video-col">
<div class="video-wrapper" data-id="xxx">
<img src="assets/images/thumbnail/yourHeart_karaoke.jpg" width="260" height="160">
<div class="overlay">
<p class="video-title">title 2</p>
<p class="video-author">author 2</p>
</div>
</div>
</div>

Find a specific class under a div to process child elements

Allow me to paste the HTML first that I am hoping to process.
<div class="top-box-part">
<h3 class="video-link-on-search">
My Title
<div style="display: none;">
<div id="colorbox-inline-1449860223">
<div class="jwplayer-video">...</div>
</div>
</div>
</h3>
<h3 class="search-title">My Another Title</h3>
</div>
<div class="top-box-part">
<h3 class="video-link-on-search">
My Title 2
<div style="display: none;">
<div id="colorbox-inline-1449860223">
</div>
</div>
</h3>
<h3 class="search-title">My second another title</h3>
</div>
As you can see there are two <h3> in the div. What I am hoping to do is, to show one <h3> in main div top-box-part. If the first <h3 class='video-link-on-search'> has jwplayer-video in it, then show this , and hide the second <h3 class='search-title'>, otherwise, hide the first h3 class='video-link-on-search' and show the second <h3 class='search-title'>.
There are many <div class='top-box-part'> in the page and each is with two <h3>. We only have one to show one <h3> in each.

Check with find()
$('.top-box-part').each(function() {
$(this).find('h3').hide();
if ($(this).find('h3 .jwplayer-video').length) {
$(this).find('h3:first').show();
} else {
$(this).find('h3:not(:first)').show();
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="top-box-part">
<h3 class="video-link-on-search">
My Title
<div style="display: none;">
<div id="colorbox-inline-1449860223">
<div class="jwplayer-video">...</div>
</div>
</div>
</h3>
<h3 class="search-title">My Another Title</h3>
</div>
<div class="top-box-part">
<h3 class="video-link-on-search">
My Title 2
<div style="display: none;">
<div id="colorbox-inline-1449860223">
</div>
</div>
</h3>
<h3 class="search-title">My second another title</h3>
</div>

The proper selectors would be:
Every first h1 in every top_box-part:
var firsts = $('.top-box-part h3:nth-child(1)');
Every second h1 in every .top-box-part:
var seconds = $('.top-box-part h3:nth-child(2)');
Now you can simply check that like:
$.each(first,function(i,o){
var first_element_of_current_top_box = o;
var second_element_of_current_top_box = seconds[i];
// here you can compare anything and do anything with those elements (ex. `.hasClass` etc.)
});
Please note that this way needs 1st and 2nd H1 to be there!

How do I move identical elements from one div to another with jQuery?

With the example below, I'd like to select the contents of the < h3 > tags for each block, and move them inside the 'title' divs (without the h3 tags). Is this possible?
<div id="block1">
<div class="title">
</div>
<div class="content">
<h3>Title 1</h3>
</div>
</div>
<div id="block2">
<div class="title">
</div>
<div class="content">
<h3>Title 2</h3>
</div>
</div>

Online demo: http://jsbin.com/ezuxo
// Cycle through each <div class="content"></div>
$(".content").each(function(){
// Find its first h3 tag, and remove it
var heading = $("h3", this).remove();
// Set the text of the h3 tag to the value of the previous div (.title)
$(this).prev().html($(heading).html());
});

First off, I'd assign a class to the "blocks", let's call it "block" for now. Then do this:
$(".block").each(function() {
$(".title", this).html($(".content h3", this).html());
}