26 lines
547 B
JavaScript
26 lines
547 B
JavaScript
const friends = ["Michael", "Steven", "Peter"];
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console.log(friends);
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// add elements
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console.log(friends.push("Nika"));
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friends.unshift("John");
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console.log(friends);
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// remove elements
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console.log(friends.pop());
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console.log(friends);
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console.log(friends.pop());
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console.log(friends);
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console.log(friends.shift());
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console.log(friends);
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console.log(friends.indexOf("Michael"));
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console.log(friends.indexOf("Steven"));
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console.log(friends.indexOf("David"));
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console.log(friends.includes("Steven"));
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console.log(friends.includes("David"));
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