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const months = ['March', 'Jan', 'Feb', 'Dec'];
months.sort();
console.log(months);
// expected output: Array ["Dec", "Feb", "Jan", "March"]

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let array = ['bingöl', 'ordu', 'adana'];
let sortedArray = array.slice().sort();

console.log(array); // (3) ["bingöl", "ordu", "adana"]

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let numbers = [4, 2, 5, 1, 3];
numbers.sort((a, b) => a - b);
console.log(numbers); // [1, 2, 3, 4, 5]

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var x = 10; console.log(x);

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let promise = new Promise(function(resolve, reject) {
  // Executor function
  
});

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let promise = new Promise(function(resolve, reject) {  
  
  setTimeout(() => resolve("done"), 1000); 
  
});

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let promise = new Promise(function(resolve, reject) { 
  
  setTimeout(() => reject(new Error("Whoops!")), 1000);
  
});

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let promise = new Promise(function(resolve, reject){

  resolve("done");
  reject(new Error("…")); // ignored
  setTimeout(() => resolve("…")); // ignored
  
});

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let promise = new Promise(function (resolve, reject) {
  resolve('basarili!');
  reject(new Error('hata alindi!'))
})
promise.then(
  function (result) {
    console.log(result);
  },
  function (error) {
    console.log(error);

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promise.then(
  result => alert(result), 
  error => alert(error)
);