I am experiencing a strange and perplexing error exclusively in the Safari browser. The cause remains elusive, leaving me puzzled. I have implemented AngularJS 1.3.x in my project.
I wonder how I can identify which libraries might be triggering this mysterious issue. Additionally, why does this error solely manifest in Safari? Is there a method utilizing JavaScript to enable or disable WebGL functionality?
Do you want to block webgl on your webpage? Place this code snippet at the beginning of your HTML file:
<script>
HTMLCanvasElement.prototype.getContext = (function(originalFn) {
var forbiddenTypes = {
"webgl": true,
"webgl2": true,
"experimental-webgl":, true,
};
return function() {
var contextType = arguments[0];
return forbiddenTypes[contextType]
? null
: originalFn.apply(this, arguments);
};
}(HTMLCanvasElement.prototype.getContext));
</script>
By executing the script above before any other scripts on the page, it will replace the getContext function for certain canvas elements. Specifically, when JavaScript attempts to create a "webgl" context, it will be blocked and null will be returned instead. However, if JavaScript requests a different type of context, the original getContext function will be called.
Keep in mind that this solution only prevents webgl contexts from being created on the main page. JavaScript running inside iframes would need the same script added to prevent webgl creation within each iframe.
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