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fall back to a default image when the image src is invalid #141

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fall back to a default image when the image src is invalid #141

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fall back to default image when the image src is invalid
tzws May 31, 2017
fbfc9c5
fall back to default image when the image src is invalid
tzws May 31, 2017
f077553
fix the error hanle for invalid src & add a demo for empty src and in…
tzws Jun 1, 2017
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149 changes: 149 additions & 0 deletions Invalid-src-demo.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,149 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="description" content="Filtrify">
<meta name="keywords" content="javascript, jquery, lazy load, performance, plugin" />
<meta name="author" content="Luís Almeida">
<meta name="viewport" content="width=device-width">
<title>jQuery Unveil - Invalid-src-demo</title>
</head>

<style>

body {
background: #FFF;
color: #555;
font-family: "Helvetica Neue", sans-serif;
font-weight: 300;
line-height: 1.7;
padding: 30px 30px 300px 30px;
margin: 0 auto;
max-width: 480px;
}
header {
margin: 100px 0;
}
header p {
color: #CCC;
margin: 0 0 25px 0;
}
header h1 {
color: #000;
font-size: 75px;
line-height: 1;
margin: 0 0 10px 0;
}
header h1 small{
font-size: 16px;
}
h2 {
color: #333;
margin-top: 100px;
font-size: 1em;
}
p {
margin: 15px auto;
}
a {
color: #3595b5;
}
strong {
font-size: 1.5em;
color: #CCC;
}
code {
}
code > span.red {
color: #D14;
}
code > span.blue {
color: #099;
}
code > span.purple {
color: #C0C;
}
ul {
list-style: none;
padding: 0;
}
ul > li {
margin-top: 50px;
text-align: center;
}
ul > li > img {
display: inline-block;
max-width: 100%;
min-width: 48px;
min-height: 48px;
background-repeat: no-repeat;
background-image: url(data:image/gif;base64,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);
}

.twitter-share-button {
margin-left: 20px;
}

</style>

<!-- <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script> -->
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js"></script>
<script src="jquery.unveil.js"></script>

<script>
$(function() {
$("li img").unveil(300, null, "http://lorempixel.com/g/800/500/city/7/");
});
</script>

<body>

<header>
<h1>Unveil<small>.js</small></h1>
<p>A very lightweight plugin to lazy load images for jQuery or Zepto.js</p>

<iframe src="http://ghbtns.com/github-btn.html?user=luis-almeida&repo=unveil&type=watch" allowtransparency="true" frameborder="0" scrolling="0" width="55" height="20"></iframe>
<iframe src="http://ghbtns.com/github-btn.html?user=luis-almeida&repo=unveil&type=fork" allowtransparency="true" frameborder="0" scrolling="0" width="55" height="20"></iframe>
<a href="https://twitter.com/share" class="twitter-share-button" data-text="unveil.js - A very lightweight plugin to lazy load images" data-via="lmgalmeida" data-related="lmgalmeida" data-count="none">Tweet</a>
</header>



<ul>
<!-- empty src -->
<li><img data-src="" data-src-retina="" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" /></li>
<!-- invalid src -->
<li><img data-src="http://lorempixel.com/does-not-exists" data-src-retina="http://lorempixel.com/does-not-exists" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" /></li>
</ul>

<h2>Browser support</h2>
<p>Compatible with All Browsers and IE7+.</p>

<h2>Download</h2>
<p>Download the script from the project page on <a href="https://github.com/luis-almeida/unveil">GitHub</a>.</p>
<p>If you have any suggestion or bug to report please use github issues or get it touch with me on twitter - <a href="https://twitter.com/lmgalmeida">@lmgalmeida</a>.</p>

<h2>License</h2>
<p>Unveil is licensed under the <a href="http://opensource.org/licenses/MIT">MIT license</a>.</p>

<script>
// Twitter
!function(d,s,id){
var js,fjs=d.getElementsByTagName(s)[0];
if(!d.getElementById(id)){
js=d.createElement(s);
js.id=id;
js.src="//platform.twitter.com/widgets.js";
fjs.parentNode.insertBefore(js,fjs);
}
}(document,"script","twitter-wjs");
// Analytics
var _gaq=[['_setAccount','UA-30936310-1'],['_trackPageview']];
(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];
g.src=('https:'==location.protocol?'//ssl':'//www')+'.google-analytics.com/ga.js';
s.parentNode.insertBefore(g,s)}(document,'script'));
</script>

</body>
</html>
12 changes: 11 additions & 1 deletion jquery.unveil.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@

;(function($) {

$.fn.unveil = function(threshold, callback) {
$.fn.unveil = function(threshold, callback, errorSrc) {

var $w = $(window),
th = threshold || 0,
Expand All @@ -19,12 +19,22 @@
images = this,
loaded;


this.one("unveil", function() {
var source = this.getAttribute(attrib);
source = source || this.getAttribute("data-src");
if (source) {
this.setAttribute("src", source);
if (typeof callback === "function") callback.call(this);
} else if(errorSrc){

this.setAttribute("src", errorSrc);
}
this.onerror = function () {
if(errorSrc)
{
this.setAttribute("src", errorSrc);
}
}
});

Expand Down