While browsing with your browser, you have the ability to adjust the font size by using CTRL + + or CTRL + -.
Is there a way to replicate this functionality through code, such as with JavaScript?
I am looking to add buttons on my website that allow users to easily increase or decrease the font size. However, I understand that this will require dynamically changing various font-size properties (BODY, INPUT, OPTIONS etc...) in order to achieve the desired effect.
Avoid utilizing browser zoom as it is a feature that:
I want to include buttons on my site for adjusting text size, but this requires dynamically changing numerous font-size properties.
The ideal approach is:
em or %) for scaling fonts uniformly,document.body.style.fontSize to modify the base size for consistency throughout the page.Ensure the body's font size is also specified in relative units to accommodate user preferences set at the system level (a fundamental practice for well-designed websites).
Numerous CSS resources are available for font scaling best practices. Here's one example:
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