currentTime是AudioContext的一个read-only属性,返回double秒(从0开始)表示一个只增不减的硬件时间戳,可以用来控制音频回放,实现可视化时间轴等等。

语法

var audioCtx = new AudioContext();
console.log(audioCtx.currentTime);

返回值

A double.

例子

注意:想要完整的Web Audio例子的话,可以去MDN Github repo看DEMO(例如panner-node不妨试试在浏览器控制台输入audioCtx.currentTime。

var AudioContext = window.AudioContext || window.webkitAudioContext;
var audioCtx = new AudioContext();
// Older webkit/blink browsers require a prefix

...

console.log(audioCtx.currentTime);

规范

Specification Status Comment
Web Audio API
currentTime
Working Draft  

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 10.0webkit 25.0 (25.0)  未实现 15.0webkit
22 (unprefixed)
6.0webkit
Feature Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support ? 26.0 1.2 ? ? ? 33.0

另见

文档标签和贡献者

此页面的贡献者: ayqy
最后编辑者: ayqy,