How do you create a custom error extending the built-in Error class?
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// Option A: function collect(...args) return args; // Option B: function collect(args...) return args; // Option C: function collect(...args...) return args; Option A ( function collect(...args) ) cisco javascript essentials 2 answers exclusive
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let sum = (a, b = 5) => a + b; console.log(sum(2, 0)); 2 Explanation: Default parameters are overwritten if an argument is provided. Here, 0 replaces the default 5 , so 2 + 0 = 2 . How do you create a custom error extending
Given a recursive function that calculates factorial:
Which statement correctly uses the rest parameter to collect all arguments into an array? Common Exam Questions & Verified Solutions Q9: What
// Option A button.onclick = () => alert("Hi"); // Option B button.addEventListener("click", () => alert("Hi"), once: true ); // Option C button.addEventListener("click", () => alert("Hi"), true); Option B . The once: true option is exclusive to modern JS.