What kind of telemetry or performance data does Apple collect about JavaScript execution in Safari?

Sep 15, 2021 ... ... JS. Unfortunately, it only compiles to bytecode and not machine code, and does not support all the features we need. Some non-public ... Nov 20, 2023 ... “Because Safari does not properly isolate webpages ... The policies require other browser apps using iOS to use Safari's JavaScript engine ... Oct 22, 2023 ... JavaScriptCore, often referred to as Nitro, is the JavaScript engine developed by Apple. It powers Safari and is at the core of various Apple ... Sep 29, 2020 ... I found out from the Internet that Google Chrome uses V8 and Firefox uses SpiderMonkey to compile JavaScript to machine code. What JavaScript engine does ... Jun 9, 2015 ... Your browser does not seem to support JavaScript. As a result, your ... using Chrome, Oracle recommends using Firefox, Internet Explorer or Safari ... ... javascript rendering (the last two 'Sunspider' tests). Remember, both Safari and Chrome are using Apple's Safari javascript and rendering engine. The is no ... 2 All browsers are required to use Safari's internal framework Webkit and Safari's internal javascript engine webkit as ... However if iOS did not ban ... Apr 9, 2023 ... Safari's Export As PDF uses macOS's Quartz engine to create a PDF 'version' of the rendered webpage. So no 'code' that's in the HTML gets ... Oct 3, 2022 ... Different browsers use different JavaScript engines: MS Edge uses Chakra, Chrome uses V8, Firefox uses SpiderMonkey and Safari uses ... Sep 17, 2007 ... Right now the browser works fine in Firefox, is quirky in Opera and Safari, and explodes in IE (it requires canvas support). I'll finesse it ...