AlgoDaily - Find Peak Element - Find Peak Element

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var assert = require('assert');
​
function find_peak_element(arr) {
    //fill this in
}
​
try {
    assert.equal(find_peak_element([1, 2, 3, 1]), 2);
​
    console.log('PASSED: ' + "assert.equal(find_peak_element([1,2,3,1]), 2)");
} catch (err) {
    console.log(err);
}
​
try {
    assert.equal([1, 5].includes(find_peak_element([1, 2, 1, 3, 5, 6, 4])), true);
​
    console.log('PASSED: ' + "assert.equal([1, 5].includes(find_peak_element([1, 2, 1, 3, 5, 6, 4])), true)");
} catch (err) {
    console.log(err);
}
​

OUTPUT

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