I have an array that looks like this:
["5763.34", "5500.00", "5541.67", "5541.67"]
I am looking to count similar values in the array and produce an output as follows:
(1 * 5763.34) + (1 * 5500.00) + (2 * 5541.67)
Does anyone have any ideas on how to accomplish this task?
Calculate occurrences:
let numbers = ["3456.89", "3200.00", "3241.45", "3241.45"];
let countOccurrences = {};
for (let j = 0; j < numbers.length; ++j) {
let value = numbers[j];
if (value in countOccurrences) {
countOccurrences[value]++;
} else {
countOccurrences[value] = 1;
}
}
Show results:
let combinations = [];
for (let m in countOccurrences) {
combinations.push('(' + countOccurrences[m] + ' * ' + m + ')');
}
alert(combinations.join(' + '));
Give it a try: http://jsfiddle.net/p23qc/1
try this method
total = 0
for(index=0; index < list.length; index++){
total += list[index] * (index+1)
}
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