Develop Reference

Exclude multiple elements from a DOM query using a variable

I have this HTML:
<div class="elem">
</div>
<div class="elem-1">
</div>
<div class="elem-2">
</div>
<!--Select the ones below-->
<div>
</div>
<p class="other-class">
</p>
I have this code:
var elems = document.querySelectorAll(".elem, .elem-1, .elem-2[,...]");
var otherElems = document.querySelectorAll(":not..."); //can I reuse elems here?
Can I use the elems variable to select all elements except for the ones in elems?
EDIT: This seems like code duplication:
var foos1 = document.querySelectorAll(".bars1, .bars2, .bars3, #bar1, #bar2[,...]");
var foos2 = document.querySelectorAll(".bars-1, .bars-2, .bars-3, #bar-1[,...]");
var foos3 = ...
.
.
.
var foosN
//list all former elements again
var noFoos = document.querySelectorAll(":not(.bars1, ..., .bars-3, #bar-1......)");
Instead I would like to reuse the variables I stored these elements in already.
Something like:
var noFoos = document.querySelectorAllBut(foos1, foos2, foos3,...);

You could put the first selector inside the not:
var elements = document.querySelectorAll(".elems, .elems-more, .elems-more-more[,...]");
var otherElements = querySelectorAll("div:not(.elems, .elems-more, .elems-more-more[,...])");
Also, you could put the selector in a variable to avoid duplication. This might not be the most efficient solution, though.

get html from a variable by id

i have a variable name value in my javascript code that contain html data.i want to get the data inside form specific id that is inside #myDiv
var value="<div >
<p class="">Hi cname#gmail.com</p>
<br/>
<br/>
<br/>
<div id="myDiv">
sgdhsagdhagh
dhsajdgasj
cjzjcg
</div>
</div>"
Thanks

You should create a DOM element, then traverse up to it and get html() or .text()
var value = '<div >\
<p class="">Hi cname#gmail.com</p>\
<br/>\
<br/>\
<div id="myDiv">\
sgdhsagdhagh\
dhsajdgasj\
cjzjcg\
</div>\
</div>';
alert($(value).find('#myDiv').html())
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
If you need to get parent element, then use
alert($('<div />', {html: value}).find('#myDiv').html())

How about you do like this?
var variable = "stuff n things";
document.getElementById( 'myDiv' ).innerHTML = variable;
Thats the native way :)
EDIT:
if you want to get the data you just do like this:
var variable = document.getElementById( 'myDiv' ).innerHTML;
That will give you the markup of whats inside the div.
Or use document.querySelector("#myDiv") to get the first match on the selector.querySelectorAll returns array.

You can use the HTML of the value variable to create an jQuery object. From this object you can search for the element with the id, and get its HTML content:
var html = $(value).find('#myDiv').html();
console.log(html); //sgdhsagdhaghdhsajdgasjcjzjcg
Or a pure javascript implementation:
var el = document.createElement('div');
el.innerHTML = value;
var html = el.getElementById('myDiv').innerHTML;
console.log(html); //sgdhsagdhaghdhsajdgasjcjzjcg

Using plain Javascriptuse:
document.getElementById("myDiv").innerHTML;
Using jQuery:
$("#myDiv").html();

There are Two ways- Angular way-
var elem = angular.element(value);
var innerDive=elem[0].getElementById('myDiv');
var text= angular.element(innerDive[0]).innerText;
Jquery-
var text= $(value).find('#myDiv').text();

How to handle spaces in div id in jquery

I am getting id of div from external source and in that spaces also coming in id , how to get the value of id. Here is my div example:
<div id="123456ABC" class="classname" onclick="javascript:AddValue(aa.value,'33',bb.value,'1000')"></div>
<div id="78904 bbc" class="classname1" onclick="javascript:AddValue(aa.value,'55',bb.value,'2000')"></div>
I need to get the class name from the id. Here is what I am doing:
function AddValue(aa, bb) {
var classOfDiv = $('#123456ABC').attr('class');
var classOfDivs = $('#8904 bbc').attr('class');
alert(classOfDiv);
alert(classOfDivs);
}
The first alert is working fine but second is not fetching a value. How can I handle this? All the values are dynamic.

Use $("div[id='78904 bbc']") to access element which has spaces in id, Try:
var classOfDiv = $("div[id='123456ABC']").attr('class');
var classOfDivs = $("div[id='78904 bbc']").attr('class');
alert(classOfDiv);
alert(classOfDivs);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<div id="123456ABC" class="classname" onclick="javascript:AddValue(aa.value,'33',bb.value,'1000')"></div>
<div id="78904 bbc" class="classname1" onclick="javascript:AddValue(aa.value,'55',bb.value,'2000')"></div>

Get content from id inside id?

I have HTML like:
<div id='content'>
<div id='price'>$100</div>
<div id='another'>something</div>
</div>
I can get content from id="content" like.
vl = document.getElementById("content").value;
In this id, I have another id="price". But I cannot get directly content from id="price".
How can I get content from id="price" through id='content'.Thank you.

jQuery:
$("#price").text();
javascript:
document.getElementById("price").innerHTML;
DEMO

You can use as below :
vl = document.getElementById("price").innerHTML;
JSFiddle - Check it out
YOu can also use jquery using .html() or .text() method

Try,
$('#content').html().find('#price').html();

Try this,
var parent = document.getElementById('content');
var childNodes = parent.childNodes;
for(var i = 0, len = childNodes.length;i<len;i++){
if(childNodes[i].id === "price") {
alert(childNodes[i].innerHTML);
}
}

Using jquery,
$("#content > #price").text();

You can get value of price directly as :
v2 = document.getElementById("price").value;

using Jquery,
v1= $('#content').html();
v2=v1.find('#price');
v3=v1.find('#another')

Try this out:- http://jsfiddle.net/adiioo7/C3C4x/1/
var price = document.querySelector("#content #price").innerHTML;
console.log(price);

IDs should only be used when there is one of that item on the page. You will have no other chance as to re-assign your IDs, or alternatively using the class attribute.
Try this way to select,
var vl = document.getElementById("content").getElementsByClassName("price")[0];
HTML
<div id='content'>
<div class='price'>$100</div>
<div class='another'>something</div>
</div>

You need to access the child element through parent element... that is your question right.. i solve it with jquery DEMO
$(document).ready(function(){
var tem = $('#content').children('#price').text();
alert(tem);
});

Find div by value attribute and get html

I have some hidden divs with id's in html value attr. I want to find the div by value and get it's html. The problem is that my jQuery code returns undefined.
$( ".showComments" ).click(function() {
var id = $(this).closest('button').siblings('.writeComment').val();
var obj = $("#myDivs[value=id]").html();
alert(obj);
});
<div id='myDivs' value = '".$id."'>
<div>
<h3></h3>
<p></p>
</div>
</div>
I get the id correctly, but problem is when i tried get the divs html.

try:
var obj = $("#myDivs[value='"+id+"']").html();
console.log(obj);

Okay, that is wrong because it'll search for value="id" instead value="1" for example:
so you should do this:
var obj = $("#myDivs[value=" + id + "]").html();