string

string — A primitive string.

Description

string

Examples

Example #1 – string

Run
var a = 'foo';
var b = new String('bar');
console.log(typeof a);          // string
console.log(typeof b);          // object
console.log(a);                 // foo
console.log(b);                 // String {"bar"}
console.log(a.toUpperCase());   // FOO
console.log(b.toUpperCase());   // BAR

Example #2 – string

Run
var a = 'foo';
var b = new String('foo');
a.x = 'bar';
b.x = 'bar';
console.log(a);       // foo
console.log(b);       // String {"foo", x: "bar"}
console.log(a.x);     // undefined
console.log(b.x);     // bar

See also

• String object

External references

• Mozilla: string