What is the output of this code? <pre><code>let scores = [];scores.push(1, 2);scores.pop();scores.push(3, 4);scores.pop();score = scores.reduce((a, b) => a + b);console.log(score);</code></pre>

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What is the output of this code? <pre><code>let scores = [];scores.push(1, 2);scores.pop();scores.push(3, 4);scores.pop();score = scores.reduce((a, b) =&gt; a + b);console.log(score);</code></pre>

想查看完整答案?

What is the output of this code? <pre><code>let scores = [];scores.push(1, 2);scores.pop();scores.push(3, 4);scores.pop();score = scores.reduce((a, b) => a + b);console.log(score);</code></pre>