Window.crypto
Window.crypto只读属性返回与全局对象关联的 Crypto对象。 此对象允许网页访问某些加密相关服务。
语法
var cryptoObj = window.crypto || window.msCrypto; // for IE 11
范例
使用 Window.crypto 来访问getRandomValues() 方法.
JavaScript
genRandomNumbers = function getRandomNumbers() {
var array = new Uint32Array(10);
window.crypto.getRandomValues(array);
var randText = document.getElementById("myRandText");
randText.innerHTML = "The random numbers are: "
for (var i = 0; i < array.length; i++) {
randText.innerHTML += array[i] + " ";
}
}
HTML
<p id="myRandText">随机数字: </p>
<button type="button" onClick='genRandomNumbers()'>生成10个随机数字</button>结果
规范
| 规范 | 状态 | 批注 |
|---|---|---|
| Web Cryptography API Window.crypto |
Recommendation | Initial definition |
浏览器支持
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! (en-US)
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Edge | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 44 (Yes) | (Yes) | 11 ms (en-US) | 20 | 19 | (Yes) |
| Feature | Chrome for Android | Firefox Mobile | Firefox OS | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
另见
- The
Windowglobal object