javascript sum array values by key
var array = [
{name: "Peter", age: 43},
{name: "John", age: 32},
{name: "Jake", age: 21}
];
array.reduce(function(sum, current) {
return sum + current.age;
}, 0); // 43 + 32 + 21 = 96javascript sum array values by key
var array = [
{name: "Peter", age: 43},
{name: "John", age: 32},
{name: "Jake", age: 21}
];
array.reduce(function(sum, current) {
return sum + current.age;
}, 0); // 43 + 32 + 21 = 96javascript object total
function sum( obj ) {
var sum = 0;
for( var el in obj ) {
if( obj.hasOwnProperty( el ) ) {
sum += parseFloat( obj[el] );
}
}
return sum;
}
var sample = { a: 1 , b: 2 , c:3 };
var summed = sum( sample );
console.log( "sum: "+summed );Copyright © 2021 Codeinu
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