Html5 audio can't play again after it stopped -

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i declare audio file in page:

var audio = new audio('my.mp3');

then use click event play it:

$(document).click(function () {     audio.currenttime = 0; // make sure play begain     audio.play();     })

it can play @ first click time, after ended, click document, can not play again.how can let play again?

i tested in chrome , exception occurs due audio.currenttime statement.

this worked (also in ie9):

$(document).click(function () {     audio.src = "my.mp3";     audio.play();  })

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