You must leave the fors in the same order as in the code-block form, only popping the inner expression itself to the front:…
Breaking out of multiple "for" loops in Python
Python doesn't support break some_label; or break 3;, but it does support for-else…
Basic JS Async Cookbook
function asleep(delay) { return new Promise(resolve => setTimeout(resolve, delay)); } // Usage: await asleep(1000); function aalert(message) { return new Promise( resolve => resolve(alert(message)) ); } function aconfirm(message) { return new Promise( resolve => resolve(confirm(message)) ); } function aprompt(message, deflt) { return new Promise( resolve => resolve(prompt(message, deflt)) ); } // Usage: await aalert("The task will begin as soon as you press OK.") ; do_task(); aalert("The task will begin as …
JS: Tail-call optimized recursive setTimeout
If you're writing some code on a time-delayed-loop in JavaScript, there are 2 main options: setInterval setTimeout, recursively However, each has a potential downside: setInterval schedules the code to run at the given interval, regardless of whether the last invocation has completed. This means that, if the function takes longer than the delay to execute, it'll schedule the next invocation before the current invocation is finished, which can lead …