HTML5音频播放器:如何通过HTML元素而不是div ID来选择? [英] HTML5 Audio Player: How to select by HTML elements instead of div ID's?
问题描述
旧情况 (作品)
< audio src =track1.mp3id =audio>< / audio>
<控制>
< pause id =pausestyle =display:none> PAUSE< / button>
< div id =progress>< div id =bar>< / div>< / div>
< / controls>
JavaScript通过带有ID的div获取元素
var myAudio = document.getElementById('audio');
var play = document.getElementById('play');
var pause = document.getElementById('pause');
... etc
期望的情况(完全不工作)
< audio src =track1.mp3> < /音频>
<控制>
< play style =display:none> PLAY< / play>
< pause style =display:none> PAUSE< / pause>
< progress>< bar>< / bar>< / progress>
< / controls>
在@grateful& @Nathan Montez 部分
var myAudio = document.getElementsByTagName('audio' )[0];
var play = document.getElementsByTagName('play')[0];
var pause = document.getElementsByTagName('pause')[0];
... etc
在新版本中,进度条不起作用!我们忽略了什么?谢谢!
document.getElementsByTagName('audio')
will return一个数组,即使它只有1的长度。您需要这样做:
document.getElementsByTagName('audio' )[0];
Making an html5 player, I'm moving away "from divs with id's" towards "simple html elements".
Old Situation (works)
<audio src="track1.mp3" id="audio"></audio>
<controls>
<play id="play" style="display:none">PLAY</button>
<pause id="pause" style="display:none">PAUSE</button>
<div id="progress"><div id="bar"></div></div>
</controls>
Javascript gets elements by divs with an id
var myAudio = document.getElementById('audio');
var play = document.getElementById('play');
var pause = document.getElementById('pause');
... etc
Desired Situation (doesn't work fully)
<audio src="track1.mp3"></audio>
<controls>
<play style="display:none">PLAY</play>
<pause style="display:none">PAUSE</pause>
<progress><bar></bar></progress>
</controls>
Updated Javascript, after help of @grateful & @Nathan Montez works partially
var myAudio = document.getElementsByTagName('audio')[0];
var play = document.getElementsByTagName('play')[0];
var pause = document.getElementsByTagName('pause')[0];
... etc
In the new version the progress bar does not work! What have we overlooked? Thanks!
document.getElementsByTagName('audio')
will return an array, even if it only has a length of 1. You need to do this:
document.getElementsByTagName('audio')[0];
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