在此页

• 句法
• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

sample 只读特性在 SecurityPolicyViolationEvent 接口是 DOMString representing a sample of the resource that caused the violation.

句法

let sample = violationEventInstance.sample;
					

值

A DOMString containing a sample of the resource that caused the violation, usually the first 40 characters. This will only be populated if the resource is an inline script, event handler, or style — external resources causing a violation will not generate a sample.

范例

document.addEventListener("securitypolicyviolation", (e) => {
  console.log(e.sample);
});
					

规范

规范	状态	注释
Content Security Policy Level 3 The definition of 'sample' in that specification.	工作草案	初始定义

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
sample	Chrome 59	Edge ≤18	Firefox 63 63 Disabled ). To change preferences in Firefox, visit	IE 不支持 No	Opera 46	Safari Yes	WebView Android 59	Chrome Android 59	Firefox Android 63 63 Disabled ). To change preferences in Firefox, visit	Opera Android 43	Safari iOS Yes	Samsung Internet Android 7.0

图例

完整支持

完整支持

不支持

不支持

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

• Content Security Policy (CSP)

元数据

• 最后修改： Mar 18, 2019

相关话题

1. SecurityPolicyViolationEvent
2. 构造函数

   1. SecurityPolicyViolationEvent()
3. 特性

   1. blockedURI
   2. columnNumber
   3. disposition
   4. documentURI
   5. effectiveDirective
   6. lineNumber
   7. originalPolicy
   8. referrer
   9. sample
   10. sourceFile
   11. statusCode
   12. violatedDirective