• Nov 19, 2022 •CodeCatch
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const union = (...arr) => [...new Set(arr.flat())]; // Example union([1, 2], [2, 3], [3]); // [1, 2, 3]
• Jan 5, 2026 •C S
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<div className="md:self-start sticky top-16 bg-background px-4 mt-1 sm:px-6 md:pt-4 lg:pl-8 lg:pr-4"> <ScrollArea className="whitespace-nowrap"> <div className="w-max flex md:flex-col gap-1 bg-transparent text-muted-foreground pb-2"> {menuData.map((section) => ( <Button key={section.title} onClick={() => handleScrollToSection(section.title)} variant="ghost" size="sm" className={cn( 'w-auto md:w-full hover:cursor-pointer relative md:justify-end', activeSection === section.title ? cn( 'text-foreground after:absolute after:bottom-[-2px] after:bottom-0 after:w-full after:h-[2px] after:bg-primary', 'md:after:right-[-2px] md:after:top-0 md:after:h-full md:after:w-[2px]', ) : '', )} > {section.title} </Button> ))} </div> <ScrollBar orientation="horizontal" /> </ScrollArea> </div>
// `arr` is an array const clone = arr => arr.slice(0); // Or const clone = arr => [...arr]; // Or const clone = arr => Array.from(arr); // Or const clone = arr => arr.map(x => x); // Or const clone = arr => JSON.parse(JSON.stringify(arr)); // Or const clone = arr => arr.concat([]);
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arr = [] // empty array const isEmpty = arr => !Array.isArray(arr) || arr.length === 0; // Examples isEmpty([]); // true isEmpty([1, 2, 3]); // false
• Jan 17, 2021 •C S
const getSearchTerm = delimiter => { let searchTerm = ""; for (let i = 1; i < commands.length - 1; i++) searchTerm = searchTerm + commands[i] + delimiter; searchTerm += commands[commands.length - 1]; return searchTerm; };
• Nov 8, 2023 •LeifMessinger
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function copyString(text){ async function navigatorClipboardCopy(text){ if(document.location.protocol != "https:"){ return false; } return new Promise((resolve, reject)=>{ navigator.clipboard.writeText(text).then(()=>{resolve(true);}, ()=>{resolve(false);}); }); } function domCopy(text){ if(!(document.execCommand)){ console.warn("They finally deprecated document.execCommand!"); } const input = document.createElement('textarea'); input.value = text; document.body.appendChild(input); input.select(); const success = document.execCommand('copy'); document.body.removeChild(input); return success; } function promptCopy(){ prompt("Copy failed. Might have ... somewhere. Check console.", text); console.log(text); } function done(){ alert("Copied to clipboard"); } navigatorClipboardCopy(text).catch(()=>{return false;}).then((success)=>{ if(success){ done(); }else{ if(domCopy(text)){ done(); }else{ promptCopy(); } } }); }