19 lines
618 B
JavaScript
19 lines
618 B
JavaScript
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// Linear Search JavaScript Version: searches for a specific item in an array and returns the index of the item.
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function linearSearch(arr, x) {
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// Loop through the array
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for (let i = 0; i < arr.length; i++) {
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// Checks if the item in the array = search item. If yes, return the index. If not, move to next item.
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if (arr[i] === x) {
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return i;
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}
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}
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// After looping if the search item is not found, return -1.
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return -1;
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}
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// Log to the console and have fun!
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console.log(linearSearch([2, 5, 8], 5));
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console.log(linearSearch([2, 6, 9, 15], 2));
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console.log(linearSearch([2, 3, 4, 10], 8));
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