isValidUserId = true is logically wrong to use to disable the Save button. So is logically wrong to use isValidUserId = false to enable the Save button. Also the default state of this button should be most likely disabled, if we are bothering to check, so the initial value of the signal should most likely be set to true. To resolve these 2 issues, I propose to use: - isInValidUserId instead of isValidUserId and: - isInValidUserId = signal(true); // isValidUserId = signal(false); After these 2 changes the snippet should make logical sense.
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