Chris Kalmar ⚡️ Chief Agent Director 😜
@chriskalmar.dev
1.8K followers 323 following 426 posts
👨💻 SWE @ Figma 🚀 Founder lost-pixel.com (Acquired) 🤖 AI Engineer 🎬 YouTuber m.youtube.com/@chriskalmar 🎤 Conference Speaker 🗣️ I speak 🇬🇧🇩🇪🇵🇱
👨💻 SWE @ Figma 🚀 Founder lost-pixel.com (Acquired) 🤖 AI Engineer 🎬 YouTuber m.youtube.com/@chriskalmar 🎤 Conference Speaker 🗣️ I speak 🇬🇧🇩🇪🇵🇱
![let foo = 123 // variable with value
let bar // variable without value (basically undefined)
let result = {
... (foo && { foo 7}), // spread operator and short-circuit
... (bar && { bar }), // spread operator and short-circuit
}
Object.keys(result) // object contains only defined props
// [ "foo" ]](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2bjjpj6otjbyqevf66kn73f6/bafkreibflnzc5gy3f2kq6vkl33kjzp367uswl6m5jpxzv57lzd3kxn6ht4)
![// this is our array const x = [ '🍌', '🍎', '🥝' ];
// let's swap some items
[x[0], x[1], x[2]] = [x[2], x[0], x[1]];
// the result
console.log(x);
// (3) ['🥝', '🍌', '🍎']](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:2bjjpj6otjbyqevf66kn73f6/bafkreigdxevytsuwmwokvkcm53xin34q2lprfessn3ulcpjktxzbhelnmi)
