Object.freeze () | JavaScript | Frontend shorts

```js console.clear() const obj = {} obj.a = 1 console.log(obj) Object.freeze(obj) obj.b = 2 console.log(obj) console.log(Object.isFrozen(obj)) ``` codepen https://codepen.io/frontend-tech/pen/yLPBOpa MDN https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze #JavaScript #Frontend #shorts -------------------------------------------------- Please Check my movies!! ▶︎Movie - CSS writing-mode /watch/gLszI7Y8X_U8z text-transform /watch/4tWnaDD-fmx-n zoom /watch/MwmhqcvvSGtvh ▶︎Movie - JavaScript Array.prototype.concat() /watch/ggBRSBn2r-C2R filter(v, i, self) - Duplicate items /watch/gxfyjt3PXyMPy ▶︎Movie - HTML input /watch/Q96MALgOOaEOM del & ins /watch/kgZMby7nBT9nM ▶︎Movie - SCSS min, max /watch/gRHrwoqW6-zWr mix /watch/IDlhVt31khi1h ▶︎Movie - Vue.js Methods /watch/UX49Z0fN7QFN9 ▶︎Movie - SVG Introduction /watch/U7un2HKp8Zcpn -------------------------------------------------- ▶︎Target For beginners to learn. For intermediate reviewers. ▶︎Weekly plan - 2021 Mon. JavaScript Tue. CSS Wed. Any Thu. Any Fri. Any ▶︎Why I post I'm not good at reading thick books. When I became an engineer, I was frustrated many times. The documentation out there is complicated and it has afflicted me. So I want to explain programming as simply as possible. Of course, it also serves as my study. ▶︎My future Recently I'm making a short video. but want to make a long video when I have time. want to make a site and try to monetize it. But also want to support the programming challenges of beginners. Let's all do our best! And I hope the world goes for the better with programming. Please subscribe to the channel. /channel/UCsfRMap5w375cKIVsciR0lQ

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