JavaScript -Swap -Variablen
var a = 5;
var b = 3;
[a, b] = [b, a];
TC5550
var a = 5;
var b = 3;
[a, b] = [b, a];let a = 5, b = 6;
[a, b] = [b, a];
console.log(`${a} ${b}`);
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