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How do I get the value of a child div [closed]

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Good day,
I would like to ask how I can get the value from price. Neither of them has a unique id so it makes things hard for a noob like me. Any suggestions? Thanks.
<div class="modal">
<span class="name">$</span>
<span class="price">0.04</span>
<hr style="background: linear-gradient(to right, #ffc82d , #ffff73);">
<div class="weapon" style="background-image: url('assets/img/free_case_item.png');"></div>
</div>

You can do it with pure JavaScript using DOM manipulation.
Assuming you only have one element with the price class: document.getElementsByClassName("price").item(0).innerText.
Ideally you would give it an ID (e.g. price): document.getElementById("price").innerText

You can try with document.querySelector:
var price = document.querySelector("div.modal span.price").innerText
This matches the first <span class="price"> inside <div class="modal">.

How to change attributes of elements using javascript? [closed]

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How can I change the attributes of using class name or id name (for example ".testing a") using javascript?
Edit. I worded the question the wrong way. What I mean is I want to change the css of the a class.
document.querySelector('.testing a').setAttribute('color','green');
Something like above but the above code is not working.
<div class="testing">
<a>1</a>
<a>2</a>
</div>

You can use querySelectorAll() to get all required elements and use forEach() to loop to through elements and change style.color of element
let elms = document.querySelectorAll('.testing a');
elms.forEach(e => e.style.color = "green")
<div class="testing">
<a>1</a>
<a>2</a>
</div>
Using jQuery
$('.testing a').css('color','green');
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="testing">
<a>1</a>
<a>2</a>
</div>

short jQuery solution for a javascript code [closed]

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Need a jQuery solution of a JavaScript code and more shorter than it is.
Code:
if (event.target.parentElement.parentElement.parentElement.parentElement.getAttribute("class").include("newSearch"))
where event is coming from,
$(document).on('click', '#divCl > #lnkCl', function (event) {
JQuery version : 2.2.4
HTML Code:
<div class"newSearch">
<div>
<div>
<div>
<div id="divCl">
<div id="lnkCl">
</div>
</div>
</div>
</div>
</div>
</div>
This is not the exact code, as we have different use for the divs in between.

Maybe something like this.
$(document).on('click', '#divCl > #lnkCl', function(event) {
if ($(this).parents(".newSearch").length) {
// do your thing
}
});

javascript/html: Remove element by ID on button click [closed]

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In short, what I want to do is make it so when I click a button in my HTML document, I want that button to subsequentely be removed by it's ID, using javascript if possible. I've been searching for a solution with no success, can anyone help me out here?

In your HTML:
<button onclick="deleteSelf(this)">Click me</button>
In your JavaScript:
function deleteSelf(button) {
button.remove();
}

This works:
https://jsfiddle.net/00p4oLfy/
document.getElementById('test').remove();
<p id="test">This is a test</p>
<p id="test2">This is another test</p>

Html
<div>
<button id="ClickMe">Click Me</button>
</div>
Javascript
document.getElementById('ClickMe').remove();

Change text in class with deferent text [closed]

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Is it possible with jQuery to append a different word at the end of each node with a same class ?
For example:
<p class="xyz">Some text</p>
<p class="xyz">Some another text</p>
<p class="xyz">Text somewhere</p>
would then be:
<p class="xyz">Some text word1</p>
<p class="xyz">Some another text word2</p>
<p class="xyz">Text somewhere word3</p>
Thanks

Use:
$('.xyz').each(function(i){
$(this).html($(this).html()+" word"+(i+1));//or $(this).text($(this).text()+" word"+(i+1));
});
Working Demo

Look at this:
$('.xyz').each(function(i){
var count = i+1;
$(this).html($(this).html()+ "word" + count)
});
http://jsfiddle.net/y9043kdn/1/