I have this code in my page:
$('img[title!=""]').each(function() {
It currently selects the all img's in the website, but I only want to get the images that are within a certain div called 'layout' where title is not null, how would I do this?
Assuming layout is ID of div
Use
$('img[title!=""]', '#layout').each(function() {
OR
$('#layout img[title!=""]').each(function() {
$("#myDiv").find('img[title!=""]').each(function() {
// ...
});
That would catch all <img> in #myDiv:
<div id="myDiv">
<img src=" ... />
<img src=" ... />
<img src=" ... />
</div>
jsFiddle demo
First, you might need to allow for those elements that don't have a title attribute at all. This condition would be covered by:
$('#layout img[title]').each(function() {
However, then you must check if the title attribute is present but blank:
if ( this.title != "" )
Putting it together:
HTML:
<div id="layout">
<img title="kitten01" src="http://placekitten.com/150/150" />
<img src="http://placekitten.com/151/151" />
<img title="" src="http://placekitten.com/152/152" />
<img title="kitten04" src="http://placekitten.com/153/153" />
</div>
<div id="otherdiv">
<img title="dog01" src="http://placedog.com/150/150" />
<img title="dog02" src="http://placedog.com/150/150" />
<img title="dog03" src="http://placedog.com/150/150" />
</div>
jQuery/js:
$('#layout img[title]').each(function() {
if ( this.title != "" )
alert( this.title );
});
Note: you may already know this, but fwiw the above example assumes that your div is called layout because it has an ID attribute named layout. If the div is of class="layout" then:
$('.layout img[title]').each(function() {
Related
Im curently creating a picture gallery for my project in school. I came across the problem that i don't know how to add a picture description that will only show under the big preview picture and not next to the small pictures at the top. Every small picture will have a different description. I tried some stuff myself but i failed miserably, Im still new to all of this :)
Any solutions to that problem?
<head>
<title>Gallery</title>
<link href="galery.css" rel="stylesheet" type="text/css">
</head>
<body background="cosmic.jpg">
<div class="gallery" align="center">
<div class="smallpics">
<img onclick="getElementById('bigpic').src=this.src" id="picture1" src="images/picture1.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture2" src="images/picture2.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture3" src="images/picture3.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture4" src="images/picture4.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture5" src="images/picture5.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture6" src="images/picture6.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture7" src="images/picture7.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture8" src="images/picture8.png" />
<img onclick="getElementById('bigpic').src=this.src" id="picture9" src="images/picture9.png" />
</div>
<div class="bigpic" align="center">
<img id="bigpic" src="images/picture1.png" alt="" />
</div>
<div class="smallpics">
<img onclick="getElementById('bigpic').src=this.src; getElementById('bigpicDesc').innerHTML(this.alt) " id="picture1" src="images/picture1.png" alt="The Description" />
....
</div>
<div class="bigpic" align="center">
<img id="bigpic" src="images/picture1.png" alt="" />
<div id="bigpicDesc"> </div>
</div>
or
<div class="smallpics">
<img onclick="showInBig(this)" id="picture1" src="images/picture1.png" alt="The Description" />
....
</div>
<div class="bigpic" align="center">
<img id="bigpic" src="images/picture1.png" alt="" />
<div id="bigpicDesc"> </div>
</div>
function showInBig(element){
document.getElementById('bigpic').setAttribute('src',element.getAttribute('src'));
document.getElementById('bigpicDesc').innerHTML(element.element.getAttribute('alt'));
}
Given that alt of the small images are the descriptions.
The first thing is to clean up your HTML and separate out the JavaScript. This has a number of benefits. It keeps your HTML and JS separate without muddying one with the other.
All of your onclick code can be handled thus:
var big_pic = document.querySelector('#bigpic');
document.querySelector('body').addEventListener('click', function(evt) {
if (!/^picture\d+$/.test(evt.target.id)) return;
big_pic.src = evt.target.src;
}, false);
Now, let's consider adding a description. The first question is, how are you going to store these, and in relation to the images?
An obvious solution is to store them in a data attribute on the pictures elements. So just as we read the src from the clicked pic's element, we'll read its description from the same source.
So our elements become:
<img id='picture1' src='some/src.jpg' data-descr='Picture description here' />
Then you're going to need a description placeholder in the big picture area, so add a paragraph.
Finally, change the above JS code to factor in the description also:
var
big_pic = document.querySelector('#bigpic'),
big_pic_descr = document.querySelector('.bigpic p');
document.querySelector('body').addEventListener('click', function(evt) {
if (!/^picture\d+$/.test(evt.target.id)) return;
big_pic.src = evt.target.src;
big_pic_descr.innerHTML = evt.target.getAttribute('data-descr');
}, false);
Could be done in 2 ways, first by making use of data- attribute (1)
jsFiddle 1
var pics = document.querySelectorAll('.smallpics img'),
bigPic = document.getElementById('bigpic'),
descP = document.getElementById('description');
for (var i = 0, ln = pics.length; i < ln; i++) {
// we pass each img with its src and data-desc attributes to the function.
var $this = pics[i];
theClickFunction($this, $this.getAttribute('src'), $this.getAttribute('data-desc'));
}
function theClickFunction($th, $src, $desc) {
$th.addEventListener('click', function() {
//on click we update the bigpic display and thedescription paragraph
bigPic.setAttribute('src', $src);
bigPic.style.display = 'block';
descP.innerHTML = $desc;
});
}
body { margin: 0; padding: 0; }
.smallpics img { width: 19%; cursor: pointer; }
#bigpic { display:none}
<div class="gallery" align="center">
<div class="smallpics">
<img id="pic1" src="//dummyimage.com/300x100?text=pic1" data-desc="description of picture 1" />
<img id="pic2" src="//dummyimage.com/300x100?text=pic2" data-desc="description of picture 2" />
<img id="pic3" src="//dummyimage.com/300x100?text=pic3" data-desc="description of picture 3" />
<img id="pic4" src="//dummyimage.com/300x100?text=pic4" data-desc="description of picture 4" />
<img id="pic5" src="//dummyimage.com/300x100?text=pic5" data-desc="description of picture 5" />
<img id="pic6" src="//dummyimage.com/300x100?text=pic6" data-desc="description of picture 6" />
<img id="pic7" src="//dummyimage.com/300x100?text=pic7" data-desc="description of picture 7" />
<img id="pic8" src="//dummyimage.com/300x100?text=pic8" data-desc="description of picture 8" />
<img id="pic9" src="//dummyimage.com/300x100?text=pic9" data-desc="description of picture 9" />
<img id="pic10" src="//dummyimage.com/300x100?text=pic10" data-desc="description of picture 10" />
</div>
<hr>
<div class="bigpic" align="center">
<img id="bigpic" src="images/picture1.png" alt="" />
<p id="description"></p>
</div>
The other way is by using some hidden element, I used <ul> with its lis here but it could be divs or p etc.., while this way adds extra markup to the page it suits better when you have HTML, styled and/or long descriptions rather than just normal text.
jsFiddle 2
var pics = document.querySelectorAll('.smallpics img'),
DescLis = document.querySelectorAll('#hiddenDescs li'),
bigPic = document.getElementById('bigpic'),
descP = document.getElementById('description');
for (var i = 0, ln = pics.length; i < ln; i++) {
// we pass each img with its src attribute.
var $this = pics[i];
theClickFunction($this, $this.getAttribute('src'), i);
}
function theClickFunction($th, $src, i) {
$th.addEventListener('click', function() {
//on click we update the bigpic display and thedescription paragraph
bigPic.setAttribute('src', $src);
bigPic.style.display = 'block';
// get the inner html of the corresponding li and inject it as innerHTML
// of the descreption p
descP.innerHTML = DescLis[i].innerHTML;
});
}
(1) Using alt attribute, as in #Thuin's answer, rather than data-* is better because: This attribute defines the alternative text describing the image. Users will see this text displayed if the image URL is wrong, the image is not in one of the supported formats, or if the image is not yet downloaded.
I have the following code
<div id="slider">
<img src="images/p1.jpg" />
<img src="images/p2.jpg" />
<img src="images/p3.jpg" />
</div>
I want to add <a> before and after the image tag with jQuery. This would be the result:
<div id="slider">
<img src="images/p1.jpg" />
<img src="images/p2.jpg" />
<img src="images/p3.jpg" />
</div>
Edit: Details from comments
So far, I have tried like this:
<span class="phone"><img src="malsup.github.io/images/p1.jpg"></span>
<span class="phone"><img src="malsup.github.io/images/p2.jpg"></span>
<span class="phone"><img src="malsup.github.io/images/p3.jpg"></span>
<span class="phone"><img src="malsup.github.io/images/p4.jpg"></span>
i have add like
$('.phone').each(function() {
$(this).wrapInner('<a href="test.php" />');
});
Additional information from comments
I want to use a different url for each image, like:
<div id="slider">
<img src="images/p1.jpg" />
<img src="images/p2.jpg" />
<img src="images/p3.jpg" />
</div>
You can do it using the JQuery wrap() function like so:
var arr = ['https://www.google.com/', 'https://www.yahoo.com/', 'https://www.bing.com/'];
$("#slider img").each(function(index, value){
$(this).wrap("<a href='"+arr[index]+"'></a>");
});
Here is the JSFiddle demo
Use .wrap()
Wrap an HTML structure around each element in the set of matched elements.
Here you can store different url in custom attributes which can later be used to wrap element.
$('#slider img').wrap(function() {
return $('<a />', {
"href": $(this).data('url'),
"class" : "myClass"
});
})
.myClass {
border: 1px solid red
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="slider">
<img src="images/p1.jpg" data-url='facebook.com' />
<img src="images/p2.jpg" data-url='google.com' />
<img src="images/p3.jpg" data-url='example.com' />
</div>
I am a total noob, so please go easy.
I am trying to replace one image with a second image while hovering on a different element. My problem is that only the first image is being replaced by the link images. I've give each image an ID, I just am not sure how to apply it.
Thank you in advance for any help you can provide!
Here is what I have so far:
Script:
<script>
function changeimage(towhat,url){
if (document.images){
document.images.targetimage.src=towhat.src
gotolink=url
}
}
function warp(){
window.location=gotolink
}
</script>
<script language="JavaScript1.1">
var myimages=new Array()
var gotolink="#"
function preloadimages(){
for (i=0;i<preloadimages.arguments.length;i++){
myimages[i]=new Image()
myimages[i].src=preloadimages.arguments[i]
}
}
preloadimages("http://www.dxmgp.com/group/images/color_si.jpg", "http://www.dxmgp.com/group/images/bw_si.jpg","http://www.dxmgp.com/group/images/color_dxm.jpg", "http://www.dxmgp.com/group/images/bw_dxm.jpg","http://www.dxmgp.com/group/images/color_tsg.jpg", "http://www.dxmgp.com/group/images/bw_tsg.jpg","http://www.dxmgp.com/group/images/color_image.jpg", "http://www.dxmgp.com/group/images/bw_image.jpg")
</script>
HTML:
<div id="wrap">
<div id="upper">
<div class="u-top">
<img src="http://www.dxmgp.com/group/images/bw_si.jpg" name="targetimage" id="si" border="0" />
<img class="picright" src="http://www.dxmgp.com/group/images/bw_dxm.jpg" name="targetimage" id="dxm" border="0" />
</div>
<div class="u-mid">
<img src="http://www.dxmgp.com/group/images/bw_owners.png" />
</div>
<div class="u-low">
<img class="picleft" src="http://www.dxmgp.com/group/images/bw_tsg.jpg" id="tsg" />
<img class="dxmlogo" src="http://www.dxmgp.com/group/images/logo_dxm.png" />
<img class="picright" src="http://www.dxmgp.com/group/images/bw_image.jpg" id="img" />
</div>
</div>
<div id="lower">
<div class="dots"><img src="http://www.dxmgp.com/group/images/topdots.png"></div>
<div class="logos">
<a href="http://www.thescoutguide.com">
<img class="picll" src="http://www.dxmgp.com/group/images/logo_tsg.png"></a>
<img class="picmid" src="http://www.dxmgp.com/group/images/logo_si.png">
<a href="http://www.imagebydxm.com">
<img class="piclr" src="http://www.dxmgp.com/group/images/logo_image.png"></a>
</div>
<div class="dots"><img src="http://www.dxmgp.com/group/images/lowdots.png"></div>
</div>
</div>
How about something like this? Consider you have a div containing image1.png. When you mouse over a hyperlink, you want to replace image1.png with image2.png. Then, when you move your mouse away from the hyperlink, image2.png will once again be replaced with image1.png:
This is your div containing the image:
<div id="image">
<img src="image1.png" />
</div>
This is the hyperlink:
Mouse over to change image
Here are the JavaScript functions that will replace the inner HTML of the div with different images:
<script type="text/javascript">
function mouseOver() {
document.getElementById("image").innerHTML = '<img src="image2.png" />';
}
function mouseOut() {
document.getElementById("image").innerHTML = '<img src="image1.png" />';
}
</script>
Let me know if this is what you are looking for.
how to display some information of image in another div by clicking on image and information should be shown/hidden as clicking on this image.
$(document).ready(function () {
$(".cell").click(function () {
$(this).find("span").toggle("slow");
})
});
<div class="cell">
<div class="inner">
<span style="display:none;"> <img src="Images/sachin.jpg" alt="" width="180" height="180" /></span> <span class="name">Sachin Tendulkar</span>
<input type="hidden" class="friend_id" value="22 " />
</div>
</div>
I want that name displayed in another div when i click on particular image
If I'm understanding correctly, I think what you're asking is for the name to be displayed when you click on its image?
$(document).ready(function () {
$(".inner>img").click(function () {
$(this).parent().find("span").toggle("slow");
})
});
<div class="cell">
<div class="inner">
<img src="Images/sachin.jpg" alt="" width="180" height="180" />
<span class="name" style="display: none;">Sachin Tendulkar</span>
<input type="hidden" class="friend_id" value="22 " />
</div>
</div>
Take notice of the reformatted html that removes the span around the image (it's not necessary) and the style attributes of your image and name span.
Try:
$(.cell).click(function() {
$(this).toggle("slow");
$(otherDiv).html( $(this).find('span.name').html() );
// other processing ...
});
But this is for your current code, which should be cleaned up a bit. So see below.
You shouldn't need a span to wrap your image. I would try something more along the lines of:
<div class="cell">
<div class="inner">
<img src="Images/sachin.jpg" data-name="Sachin Tendulkar" alt="" />
<input type="hidden" name="22" class="friend_id" value="22" />
</div>
</div>
Along with:
$('.cell').click(function() {
var img = $(this).find('img');
$(img).toggle('slow');
$(otherDiv).html( $(img).attr('data-name') );
// other processing ...
});
Okay, so I am in the process of recreating this feature:
http://www.w3.org/html/logo/#the-technology
I current have it so when you click on a link, it will add a class to the image that relates to that link (href="#one" on the <a> and then id="#one" on the <img>), however it is currently not going through each <a> tag and only one. And also it is not removing the class I requested.
Code follows:
JS
$(document).ready(function() {
var container = '#portfolio #text_container';
var img_container = '#portfolio #image_container';
$(container).children('a').bind('click', function() {
var this_attr = $(this).attr('href');
var this_img = $(img_container).find('img').attr('id');
if(this_attr == this_img) {
//$(img_container).find('img').hasClass('current').removeClass('current');
// ^^^ This line isn't working, any ideas? :/
$(img_container + ' img[id*="' + this_attr + '"]').addClass('current');
}
else {
alert(this_img + ' this img');
alert(this_attr + ' this attr');
}
});
});
And the HTML is as follows
<div id="portfolio">
<div id="image_container">
<img src="http://static.jquery.com/files/rocker/images/logo_jquery_215x53.gif" alt="" class="current" id="#one" />
<img src="http://static.jquery.com/files/rocker/images/btn_downloadLarge.gif" alt="" id="#two" />
</div>
<div id="text_container">
Item 1
Item 2
<p id="#one" class="current">A bunch of text!</p>
<p id="#two">The second bunch of text!</p>
</div>
</div>
Please let me know if you need any more information :)
rcravens fixed this with the following code..
JS
$(document).ready(function() {
$('#text_container a').click(function(evt) {
evt.preventDefault();
$('.current').removeClass('current');
var href = $(this).attr('href');
$("." + href).addClass('current');
});
And the HTML..
<div id="portfolio">
<div id="image_container">
<img src="http://static.jquery.com/files/rocker/images/logo_jquery_215x53.gif" alt="" class="one current" />
<img src="http://static.jquery.com/files/rocker/images/btn_downloadLarge.gif" alt="" class="two" />
</div>
<div id="text_container">
Item 1
Item 2
<p class="one current">A bunch of text!</p>
<p class="two">The second bunch of text!</p>
</div>
</div>
My interpretation of what you are trying to do is here:
http://jsfiddle.net/rcravens/wMhEC/
The code is changed a bit. You shouldn't have multiple elements with the same id.
Bob
The reason this isn't working:
if(this_attr == this_img)
is because this_attr is a URL and this_img is an ID attribute value.