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Drawing an image from a data URL to a canvas
...canvas_id');
var ctx = myCanvas.getContext('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at whatever offset you like
};
img.src = strDataURI;
Edit: I previously suggested in this space that it might not be necessary to use the onload handler when a data URI i...
How do I return the response from an asynchronous call?
...hen readyState is 4. Of course, it's not supported in IE8. (iirc, may need confirmation.)
– Florian Margaine
Dec 22 '13 at 21:09
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Trying to fire the onload event on script tag
I'm trying to load a set of scripts in order, but the onload event isn't firing for me.
1 Answer
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Drawing an SVG file on a HTML5 canvas
... Simon, what you are saying is not correct. And secondly, it's a confirmed bug in Chrome.
– Mathias Lykkegaard Lorenzen
Jul 29 '11 at 12:25
5
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How can I pop-up a print dialog box using Javascript?
...lt;string>("alert", "Hello user, this is the message box");
To have a confirm message box:
bool question = await JSRuntime.InvokeAsync<bool>("confirm", "Are you sure you want to do this?");
if(question == true)
{
//user clicked yes
}
else
{
//user cli...
Can you have multiple $(document).ready(function(){ … }); sections?
...aced the old.
Now all functions specified are queued/stacked (can someone confirm?) regardless of which document ready section they are specified in.
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In JavaScript, does it make a difference if I call a function with parentheses?
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window.onload = initAll();
This executes initAll() straight away and assigns the function's return value to window.onload. This is usually not what you want. initAll() would have to return a function for this to make sense.
win...
Rendering HTML inside textarea
... value is mandatory, although I can't find a definitive bit of the spec to confirm this. MDN seems to agree though.
– Tim Down
Jul 9 '13 at 14:10
2
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img src SVG changing the styles with CSS
...n open source library called SVGInject that does this for you. It uses the onload attribute to trigger the injection.
Here is a minimal example using SVGInject:
<html>
<head>
<script src="svg-inject.min.js"></script>
</head>
<body>
<img src="ima...
How to display loading message when an iFrame is loading?
...
With the iframe onload function you can remove the CSS background image.
– Hugo Cox
Oct 20 '17 at 0:09
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