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559 bytes added ,  15:08, 17 November 2022
→‎Touch/Mouse Events: Touch events and preventDefault
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==== Touch/Mouse Events ====
 
==== Touch/Mouse Events ====
The <em>mousedown</em>, <em>mouseup</em>, and <em>click</em> events are all triggered by the browser.  However, the <em>mousedown</em> event doesn't trigger until you lift the stylus or you've held it on the screen long enough to trigger text selection mode.  Text selection mode requires pressing the touchscreen for approximately 1.05 seconds in the Old3DS browser, or pressing the touchscreen for approximately 0.41 seconds in the New3DS browser. Also, the <em>mousedown</em> event is only dispatched while text selection mode is active. The events cannot have their default action cancelled.
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The <em>mousedown</em>, <em>mouseup</em>, and <em>click</em> events are all triggered by the browser.  However, the <em>mousedown</em> event doesn't trigger until you lift the stylus or you've held it on the screen long enough to trigger text selection mode.  Text selection mode requires pressing the touchscreen for approximately 1.05 seconds in the Old3DS browser, or pressing the touchscreen for approximately 0.41 seconds in the New3DS browser. Also, the <em>mousedown</em> event is only dispatched while text selection mode is active. Mouse events cannot have their default actions cancelled.
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Touch events are not supported in the Old3DS browser, and the <em>touchcancel</em> event does not seem to be used by either browser.
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Touch events are not supported in the Old3DS browser, and the <em>touchcancel</em> event does not seem to be used by either browser. Touches cannot start within the bottom browser bar, but they can move to be within it. The rotation angle, contact radii, and pressure of each touch are always zero, as the 3DS touchscreen is not capable of detecting these values. Only one touch can be detected at a time due to the touchscreen's hardware limitations as well. Unlike mouse events, touch events can have their default actions cancelled. Doing so will prevent the touchscreen from being used to scroll through the webpage, highlight text, zoom out, and interact with the bottom browser bar.
    
==== System Font Characters ====
 
==== System Font Characters ====
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