Sometimes, we may run into the ‘TypeError: "x" has no properties’ when we’re developing JavaScript apps.
In this article, we’ll look at how to fix the ‘TypeError: "x" has no properties’ when we’re developing JavaScript apps.
Fix the ‘TypeError: "x" has no properties’ When Developing JavaScript Apps
To fix the ‘TypeError: "x" has no properties’ when we’re developing JavaScript apps, we should make sure we aren’t trying to access a property of a variable that’s null or undefined.
On Edge, the error message for this error is TypeError: Unable to get property {x} of undefined or null reference.
On Firefox, the error message for this error are TypeError: null has no properties and TypeError: undefined has no properties.
For instance, we shouldn’t write:
null.foo;
or
undefined.foo;
Conclusion
To fix the ‘TypeError: "x" has no properties’ when we’re developing JavaScript apps, we should make sure we aren’t trying to access a property of a variable that’s null or undefined.
On Edge, the error message for this error is TypeError: Unable to get property {x} of undefined or null reference.
On Firefox, the error message for this error are TypeError: null has no properties and TypeError: undefined has no properties.
