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Why does the variable become rounded?


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I have an HTML5 audio player that gets created dynamically. Elsewhere the variable is declared:

var default_volume = 0.8;


Then I set the volume for the player ...

player.setAttribute( 'volume', default_volume );


Debugging shows default_volume is 0.8, but once set, "volume" is changed to 1


Why is there rounding? How can I make it maintain the value I chose?

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If you use setAttribute, you would need to use getAttribute to see the value.


var player = document.createElement( 'audio' );
player.setAttribute('volume', 0.;
alert(player.getAttribute('volume')); // alerts 0.8
alert(player.volume); // alerts 1

// setting the volume directly
player.volume = 0.8;
alert(player.volume); // alerts 0.8



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