HTMLProgressElement:max 属性

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

HTMLProgressElement 接口的 max 属性表示 <progress> 元素的范围的上限。

一个大于零的浮点数。默认值是 1.0。

示例

HTML

html
进度:<progress id="pBar"></progress> <span>0</span>%

JavaScript

js
const pBar = document.getElementById("pBar");
const span = document.getElementsByTagName("span")[0];

console.log(`max 的默认值:${pBar.max}`);

pBar.max = 100;
pBar.value = 0;

setInterval(() => {
  pBar.value = pBar.value < pBar.max ? pBar.value + 1 : 0;

  span.textContent = Math.trunc(pBar.position * 100);
}, 100);

规范

Specification
HTML
# dom-progress-max

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
max

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support