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Tainted canvases may not be exported
...;
function loadImage(src, callback) {
var img = new Image();
img.onload = callback;
img.setAttribute('crossorigin', 'anonymous'); // works for me
img.src = src;
return img;
}
And in your callback you can now use ctx.drawImage and export it using toDataURL
...
How to make HTML Text unselectable [duplicate]
...O question 2310734</title>
<script>
window.onload = function() {
var labels = document.getElementsByTagName('label');
for (var i = 0; i < labels.length; i++) {
disableSelection(labels[i]);
}
...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
...hat needs to access it.
You should put your initialization code inside an onload function or at the bottom of your HTML file, just before the tag, so the DOM is completely rendered before it executes (note that the second option is more sensitive to invalid HTML).
Note, as pointed out by matthews...
Loading local JSON file
... else {
file = input.files[0];
fr = new FileReader();
fr.onload = receivedText;
fr.readAsText(file);
}
function receivedText(e) {
let lines = e.target.result;
var newArr = JSON.parse(lines);
}
}
</script>
</body>
</html>
Here i...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...target.files != undefined) {
var reader = new FileReader();
reader.onload = function (e) {
// Get all the contents in the file
var data = e.target.result;
// other stuffss................
};
reader.readAsText(e.target.files.item(0));
}
});
</...
Catch browser's “zoom” event in JavaScript
...
One can check size parameters inside the onload handler for the body. Curiously, in debugging IE8 vs. 9 it appears that the onresize handler for the body is passed the document in IE8, while IE9 passes the window, as does Chrome.
– Walter K
...
Convert json data to a html table [closed]
...s.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<body onLoad="buildHtmlTable('#excelDataTable')">
<table id="excelDataTable" border="1">
</table>
</body>
share
...
How to prevent IFRAME from redirecting top-level window
... prevent_bust_timer = 0;
}
}, 1);
</script>
and onload="frameLoad()" and onreadystatechange="frameLoad();" must be added to the frame or iframe.
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improve this answ...
How can I refresh a page with jQuery?
...rouble with reloading the entire HTML like this is having to manually call onload/ready events and mitigate the the overwriting of previously declared variables whose state you may wish to retain after the refresh.
– PassKit
Mar 14 '13 at 7:41
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JavaScript blob filename without link
...equest();
xhr.open("GET", url, true);
xhr.responseType = "blob";
xhr.onload = function(e) {
if (this.status == 200) {
const blob = this.response;
const a = document.createElement("a");
document.body.appendChild(a);
const blobUrl = window.URL.createObjectURL(blob);
...