One liner to avoid using temporary variable with array.from?-CodePudding

const data = [];
Array.from({ length: 1 }).forEach(() => {
  data.push({
    number: Math.floor(Math.random() * 10)
  });
});

console.log(data)

I use above code to generate array of object but I used data as temporary variable, not sure if I can write it better.

CodePudding user response：

You don't need the forEach invocation. Array.from() accepts a callback function as the second argument:

const data = Array.from(
  { length: 3 },
  () => ({ number: Math.floor(Math.random() * 10) }),
);

console.log(data);

CodePudding user response：

You can initialize an array using the [];

const data = [{ number: Math.floor(Math.random() * 10) }];

Edit: Missed the part where you asked to use the Array.from-function.