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Drawing an SVG file on a HTML5 canvas
...ks with some bugs (but nightly has fixed them).
var img = new Image();
img.onload = function() {
ctx.drawImage(img, 0, 0);
}
img.src = "http://upload.wikimedia.org/wikipedia/commons/d/d2/Svg_example_square.svg";
Live example here. You should see a green square in the canvas. The second green sq...
Pure JavaScript Send POST Data Without a Form
... method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)?
...
How to check whether dynamically attached event listener exists or not?
...listener));
};
<!-- Include the Custom Event Storage file -->
<script src = "https://cdn.rawgit.com/angelpolitis/custom-event-storage/master/main.js"></script>
<!-- A Test HTML element -->
<div id = "test" style = "background:#000; height:50px; width: 50px"></...
兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
var clipboardswfdata;
var setcopy_gettext = function(){
clipboardswfdata = document.getElementById('test_text').value;
//alert(clipboardswfdata);
window.doc...
Check if an image is loaded (no errors) with jQuery
...
Another option is to trigger the onload and/or onerror events by creating an in memory image element and setting its src attribute to the original src attribute of the original image. Here's an example of what I mean:
$("<img/>")
.on('load', func...
Binding an enum to a WinForms combo box, and then setting it
...s the same as Value member, otherwise not.
– Lord of Scripts
Oct 7 '16 at 21:09
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Use HTML5 to resize an image before upload
... // Load the image
var reader = new FileReader();
reader.onload = function (readerEvent) {
var image = new Image();
image.onload = function (imageEvent) {
// Resize the image
var canvas = document.createElement('canvas'),
...
How to pop an alert message box using PHP?
...
You could use Javascript:
// This is in the PHP file and sends a Javascript alert to the client
$message = "wrong answer";
echo "<script type='text/javascript'>alert('$message');</script>";
...
Can you autoplay HTML5 videos on the iPad?
...n to disable the automatic playing of video
on iOS devices, through both script and attribute implementations.
In Safari, on iOS (for all devices, including iPad), where the user may be on a cellular network and be charged per data unit, preload and
auto-play are disabled. No data is loaded...
AngularJS - How to use $routeParams in generating the templateUrl?
...en('/enquiry/:page', {
template: '<div ng-include src="templateUrl" onload="onLoad()"></div>',
controller: 'enquiryCtrl'
})
...
Controller:-
...
// template onload event
$scope.onLoad = function() {
console.log('onLoad()');
f_tcalInit(); // or other onload stuff
}
//...