Html 5 audio tag custom controls?

问题

I feel like I'm taking crazy pills here because I can not figure out how to render the html 5 audio tag with custom controls.

I have this html so far, and it works no problem:

<audio controls preload='none'><source src='the url to the audio' type='audio/wav' /></audio>

How do I get it to display ONLY the play button, and perhaps when playing, show the pause button in it's place.

From what I read,

By default, the element will not expose any sort of player controls. You can create your own controls with plain old HTML, CSS, and JavaScript. The element has methods like play() and pause() and a read/write property called currentTime. There are also read/write volume and muted properties. So you really have everything you need to build your own interface.

If you don’t want to build your own interface, you can tell the browser to display a built-in set of controls. To do this, just include the controls attribute in your tag.

But I can not find any examples of using custom controls. How do you get just the play button?

回答1:

You create your elements like so...

<audio id="yourAudio" preload='none'>
    <source src='the url to the audio' type='audio/wav' />
</audio>
<a href="#" id="audioControl">play!</a>

And add some functionality:

var yourAudio = document.getElementById('yourAudio'),
    ctrl = document.getElementById('audioControl');

ctrl.onclick = function () {

    // Update the Button
    var pause = ctrl.innerHTML === 'pause!';
    ctrl.innerHTML = pause ? 'play!' : 'pause!';

    // Update the Audio
    var method = pause ? 'pause' : 'play';
    yourAudio[method]();

    // Prevent Default Action
    return false;
};

Right now, the button is just simple text ("play!" or "pause!"), but you could do just about anything you wanted with CSS. Instead of setting the innerHTML, set the className and you're good to go!

回答2:

I have been experimenting with the use of a graphic instead of the player. Set the style within the 'audio' tag to "display: none; width: 0px; height: 0px;" (display none does not work on iPad, thus the additional width-0 and height-0 settings). Also not including the "controls" attribute should work. (different systems/browsers & desktop vs iOS all act differently.....)

Eg:

<head>
<script>
function EvalSound(soundobj) {
  var thissound=document.getElementById(soundobj);
  thissound.play();
}
</script>
</head>

<body>
Click the speaker to hear the sound.  <a href="javascript:null()" onClick="EvalSound('sound1'); return false;">
<img src="sound_icon.png" alt="" title="sound_icon" width="" height="" class="" /></a>
<audio id="sound1" style="display: none; width: 0px; height: 0px;" src="sound.mp3" controls preload="auto" autobuffer>
</body>

The "javascript:null()" works on iPad in conjunction with "return false;" as opposed to the usual "#".

For more really useful information: http://www.phon.ucl.ac.uk/home/mark/audio/play.htm

回答3:

if you want the built-in play-button only you could:

use autio-tag's class attribute:

 <audio controls preload='auto' class="audio_volume_only"><source src='the url to the 
audio' type='audio/mp3' /></audio>

and fit the css:

 .audio_volume_only {
    width: 35px;
  }

i hoped controls has some parameters, but not found any or misunderstood .. we'll see.

then possibly use audio's onplay - event to change the css to your need. the play-button will become the pause-button in built-in controls

as others pointed out, you can always make your own....

来源：https://stackoverflow.com/questions/7638754/html-5-audio-tag-custom-controls

标签

html5

html5-audio