Generating a JavaScript array populated with floating point values ranging from one to ten, inclusive of decimals

Question

Generating a JavaScript array populated with floating point values ranging from one to ten, inclusive of decimals

I need an array that includes the range [1,1.1,1.2 ...... 9.9,10]

I have this code that gives me values from 1.1 to 9.9

Is there a more concise way to achieve this range in JavaScript? The current code seems lengthy.
How can I also include the numbers 1 and 10 in the array?

let ratingRange = Array(10).fill().map((v,i)=> {
    return Array(10).fill().map((v,decimalI)=> {
        let value = parseFloat(`${i}.${decimalI}`)
       return value > 1 ? value : false 
    })
}).flat().filter( v => v > 0.9  );
// [1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 6, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7, 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 8, 8.1, 8.2, 8.3, 8.4, 8.5, 8.6, 8.7, 8.8, 8.9, 9, 9.1, 9.2, 9.3, 9.4, 9.5, 9.6, 9.7, 9.8, 9.9]

javascript arrays ecmascript-6 filter

Answer 1

Answer №1

You have the ability to accomplish this task.

Give it a shot!

const numbers = [];

for(let i=10; i<=100; i++) {
  numbers.push(i);
}

const dividedNumbers = numbers.map(num => num/10);
console.log(dividedNumbers);

Answer 2

You have the ability to accomplish this task.

Give it a shot!

const numbers = [];

for(let i=10; i<=100; i++) {
  numbers.push(i);
}

const dividedNumbers = numbers.map(num => num/10);
console.log(dividedNumbers);

Answer 3

Answer №2

And here is the solution.

let startVal = 1.0, numbers = [];
while (startVal < 9.9) {
  startVal = Math.round((startVal + 0.1) * 10) / 10
  numbers.push(startVal);
}
console.log(numbers);

Answer 4

And here is the solution.

let startVal = 1.0, numbers = [];
while (startVal < 9.9) {
  startVal = Math.round((startVal + 0.1) * 10) / 10
  numbers.push(startVal);
}
console.log(numbers);

Answer 5

Answer №3

Here is the solution for you:

let numbers = [];

for (let j = 1.1; j < 10; j += 0.1)
  numbers.push(j);

console.log(numbers)

Answer 6

Here is the solution for you:

let numbers = [];

for (let j = 1.1; j < 10; j += 0.1)
  numbers.push(j);

console.log(numbers)

Answer 7

Answer №4

If you ever need to create a multidimensional array in JavaScript, consider using the Array.from method.

Unlike using new Array, which returns a jagged array that is not easily looped through, Array.from can fill in the gaps and also accept a mapper function as an argument to create complex arrays.

const result = Array.from(
  { length: 9 },
  (_, i) => Array.from(
    {length: 10},
    (__, index) => (i + 1) + index * 0.1
  )
).flat()

console.log(result)

Answer 8

If you ever need to create a multidimensional array in JavaScript, consider using the Array.from method.

Unlike using new Array, which returns a jagged array that is not easily looped through, Array.from can fill in the gaps and also accept a mapper function as an argument to create complex arrays.

const result = Array.from(
  { length: 9 },
  (_, i) => Array.from(
    {length: 10},
    (__, index) => (i + 1) + index * 0.1
  )
).flat()

console.log(result)

Generating a JavaScript array populated with floating point values ranging from one to ten, inclusive of decimals

Answer №1

Answer №2

Answer №3

Answer №4

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