How can I modify the appearance of an element by changing its color and font size when a user clicks a button?
<h1> Hello Stackoverflow </h1>
<button (click)="changeTheme()">Change Theme</button>
What is the best approach to change the theme and store it so that the changes persist when the user reopens the app in an Ionic application?
I have multiple pages and need to adjust their font size and color as well.
There are a variety of options to store data in the browser, such as localStorage here, sessionStorage, cookies, etc.
To use LocalStorage, simply set the key and value for the item you want:
window.localStorage.setItem('themeColor', '#your color value or theme name');
You can retrieve it like this:
const storedColor = window.localStorage.getItem('themeColor');
And delete it using:
window.localStorage.removeItem('themeColor')
If you need more advanced features, consider using localForage.
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