Function watch

Watch the changed properties of a State (Reactive object).

Example

const form = reactive({ verified: false });
const history = watch(form);

form.name = 'John';

// Logs: { name: 'John' }
console.log(history.changes);
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Undo the changes.

Example

const form = reactive({ verified: false });
const history = watch(form);

form.name = 'Smith';

// Logs: { name: 'Smith' }
console.log(history.changes);

history.undo();
// Logs: {}
console.log(history.changes);
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