vue.js props undefined type
Explanation of Undefined Type Error in Vue.js Props
Check Prop Definition: Verify that the prop is properly defined in the component's
props
section.Ensure Prop is Passed: Confirm that the prop is being passed to the component in the parent template or component.
Type Validation: If the prop has a specific type, ensure that the passed value matches the expected type.
Default Value: If a default value is provided for the prop, make sure that it is being used correctly.
Parent Component Inspection: Check the parent component to ensure that the prop is being passed correctly and that its value is what you expect.
Console Logging: Use
console.log
to log the prop value within the component to inspect its actual value.Debugger: Utilize the Vue DevTools or browser debugger to inspect the component's props and their values during runtime.
Component Instance: Verify that the correct component instance is being used and that there are no duplicate components causing unexpected prop behavior.