4 Ways to Convert from Number to String | 點燈坊

We can convert from Number to String by String, toString, Type Coercion or Template String.

Version

ECMAScript 2015

String

let x = 123
String (x) // ?

• String is a constructor function to create a Wrapper Object by new
• String is a normal function to convert from Number to String

toString

let x = 123
x.toString () // ?

We can also to use Number.prototype.toString to convert from Number to String.

Type Coercion

let x = 123
x + '' // ?

When using Number + String, Number is converted to String first. So we can use + Empty String to Convert from Number to String.

Template String

let x = 123;
`${x}` // ?

We can also use Template String to convert from Number to String.

Conclusion

• String and toString is the most intuitive way to convert from Number to String
• Template String is another concise way to convert from Number to String