41 lines
1021 B
JavaScript
41 lines
1021 B
JavaScript
let arr = ["grapefruit", 4, "hello", 5.6, true];
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function printStuff(element, index) {
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console.log("Printing stuff:", element, "on array position:", index);
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}
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let arr = ["squirrel", 5, "Tjed", new Date(), true];
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function checkString(element, index) {
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return typeof element === "string";
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}
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let filterArr = arr.filter(checkString);
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console.log(filterArr);
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console.log(arr.every(checkString));
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arr = ["grapefruit", 4, "hello", 5.6, true];
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arr.copyWithin(0, 3, 4);
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arr = ["grapefruit", 4, "hello", 5.6, true];
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arr.copyWithin(0, 3, 5);
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let arr = ["grapefruit", 4, "hello", 5.6, true, false];
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arr.copyWithin(0, 3);
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console.log(arr);
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let arr = [1, 2, 3, 4];
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let mapped_arr = arr.map(x => x + 1);
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console.log(mapped_arr);
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let bb = ["so", "bye", "bye", "love"];
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console.log(bb.lastIndexOf("bye"));
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let bb = ["so", "bye", "bye", "love"];
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console.log(bb.lastIndexOf("hi"));
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let letters = ["a", "b", "c"];
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let x = letters.join();
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console.log(x);
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let letters = ["a", "b", "c"];
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let x = letters.join('-');
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console.log(x); |