“Calculadora de tempo de execução do JavaScript” Respostas de código

JavaScript Count Time

var start = new Date().getTime();

for (i = 0; i < 50000; ++i) {
// do something
}

var end = new Date().getTime();
var time = end - start;
alert('Execution time: ' + time);
Helpful Hyena

Calculadora de tempo de execução do JavaScript

function isSum(numbers, targt){
    var storage = [];
    for(var i = 0; i < numbers.length; i++){
        var currentNum = numbers[i];
        var NumberNeeded = targt - currentNum;
        var index2 = storage[NumberNeeded];
        if(index2 != undefined){
            return [index2, i];
        }else{
            storage[numbers[i]] = i; 
        }
    }
    return -1;
}

var arr = [76, 70, 65, 15, 66, 16, 10, 11, 86, 57, 86, 88, 21, 62, 85, 12, 90, 41, 84, 18, 57, 60, 78, 99, 59, 43, 32, 35, 7, 41, 96, 7, 22, 3, 97, 54, 43, 95, 2, 4, 29, 10, 76, 82, 88, 36, 16, 55, 22, 20, 83, 10, 82, 45, 74, 52, 54, 33, 50, 13, 100, 90, 72, 49, 92, 70, 16, 15, 10, 56, 0, 60, 2, 36, 6, 74, 34, 12, 83, 1, 76, 18, 45, 40, 61, 18, 65, 17, 53, 32, 35, 27, 12, 39, 46, 33, 68, 94, 62, 88, 15, 75, 78, 62, 75, 38, 41, 1, 2, 90, 92, 74, 27, 48, 9, 56, 50, 57, 6, 39, 47, 2, 59, 4, 83, 18, 13, 57, 92, 9, 85, 14, 9, 48, 11, 26, 7, 60, 57, 22, 26, 77, 34, 28, 42, 17, 82, 58, 35, 56, 76, 74, 71, 83, 6, 69, 92, 4, 50, 70, 30, 72, 6, 46, 78, 84, 77, 17, 78, 56, 17, 46, 43, 9, 38, 9, 73, 10, 20, 30, 11, 37, 33, 81, 86, 89, 16, 13, 71, 18, 0, 57, 65, 83, 72, 71, 84, 30, 69, 36, 17, 53, 43, 63, 100, 75, 80, 21, 90, 63, 64, 40, 15, 14, 83, 96, 42, 87, 37, 52, 36, 94, 83, 77, 15, 17, 68, 39, 79, 30, 41, 88, 59, 12, 57, 70, 39, 0, 7, 45, 38, 31, 43, 7, 22, 18, 45, 80, 3, 95];
var number = 200;
Drab Dolphin

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