full-stack JavaScript fiddler. I build / talk / train about the stuff I like @rangle
{
let total = 0;
let numbers = [1,2,3,4,5,6,7];
for(let x=0;x<numbers.length;x++) {
total = total + numbers[x];
}
return total;
}
[1, 2, 3, 4, 5, 6, 7].reduce((acc, value) => {
return (acc += value);
});
[1, 2, 3, 4, 5, 6, 7].reduce((acc, value) => {
return (acc += value);
}, 10);
[5, 1, 2, 9, 20, 20, 30].reduce((acc, value) => {
if (value >= 10) {
acc += value;
}
return acc;
});
[5, 1, 2, 9, 20, 20, 30].reduce((acc, value) => {
if (value >= 10) {
acc += value;
}
return acc;
}, 0);
[{ item: "Apples", cost: 5 }, { item: "Eggs", cost: 2 }]
.reduce((acc, value) => {
return acc + value.cost;
}
);
[{ item: "Apples", cost: 5 }, { item: "Eggs", cost: 2 }]
.reduce((acc, value) => {
return acc + value.cost;
},
0
);
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
