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FLAVIO COPES
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2026

The Object toLocaleString() method

By Flavio Copes

Learn how the JavaScript toLocaleString() method returns a string representation of an object and accepts an optional locale argument to customize it.

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Called on an object instance, returns a string representation of the object. Accepts an optional locale as argument.

Returns the [object Object] string unless overridden. Objects can then return a different string representation depending on the locale.

const person = { name: 'Fred' }
person.toLocaleString() //[object Object]
Tagged: JavaScript ยท All topics
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