30秒学会 JavaScript 片段 – digitize

Converts a number to an array of digits.

Convert the number to a string, using the spread operator (...) to build an array.
Use Array.prototype.map() and parseInt() to transform each value to an integer.

代码片段

const digitize = n => [...`${n}`].map(i => parseInt(i));

使用样例

digitize(123); // [1, 2, 3]