Binary Search in JavaScript distantainon

Binary Search in JavaScript distantainon

we will explain how Binary Search in javascript work and what is the bigO of what and how to calculates the result need in js. Understanding data structures, algorithms, and basic programming concepts are essential for one to become a better...

we will explain how Binary Search in javascript work and what is the bigO of what and how to calculates the result need in js. Understanding data structures, algorithms, and basic programming concepts are essential for one to become a better developer.

as we know, we are used multi ALgrathmic to search items in the array or an object, but what is distance one algorithmic about others is the complexity and bigO. What is Binary Search? Binary search is algorithmic used to find them to find elements or items found in array sorting before we start. what is meaning it is sorting example [2,5,6,9,13,15,28,30], as we see this array is sorting let discussion the code

    var start = 0;
    var end = arr.length - 1;
    var middle = Math.floor((start + end) / 2);
    while(arr[middle] !== elem && start <= end) {
        if(elem < arr[middle]) end = middle - 1;
        else start = middle + 1;
        middle = Math.floor((start + end) / 2);
    }
    return arr[middle] === elem ? middle : -1;
}

binarySearch([2,5,6,9,13,15,28,30], 103) how it work at first we spilt arry into 2 sub array and detarment the center element found in array middle by this code var middle = Math.floor((start + end) / 2); then we need check element if equales the elemnt parctical if true we found the elemnt . at first we will contiououse untaill the while(arr[middle] !== elem && start <= end) //this for elemnt not found from the first time and start <=end to reach the last elenment in the array.

the image explains the simple example of how it works This is image title the best case O(1) but the worst case it is the O(logN)

javascript bigO algrathimic Binary Search algorithms

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