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Post CHALLENGE

19 September 2026
J
JavaScript
CHALLENGE const a = 5 & 3; const b = 5 | 2; const c = ~5; const d = 1 << 31; const e = -1 >>> 28; const f = 5 ^ 5; console.log(a, b, c, d, e, f);
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JJavaScriptCHALLENGE let i = 0; const key = () => `k${i++}`; const obj = { [key()]: i, [key()]: i, [key()]: i, }; console.log(Object.keys(obj).join(','), obj.k0, obj.k1, oJJavaScriptPoll
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JJavaScriptPollJJavaScriptCHALLENGE 'use strict'; function getValue() { return this.value; } const obj = { value: 42, getValue }; const fn = obj.getValue; try { fn(); } catch (err) { con
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