Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-eval'; 但请注意,这样做会降低网站的安全性,因为unsafe-eval允许执行任何字符串作为代码。 方法二:避免使用eval 更安全的方法是避免使用eval(),并寻找替代方案。例如,如果eval()用于解析JSON,可以使用JSON.parse()代替。如果eval()用于...
Vitek. The eval that men do - a large-scale study of the use of eval in JavaScript applications. In ECOOP'11, July 2011.Gregor Richards , Christian Hammer , Brian Burg , Jan Vitek, The eval that men do: A large-scale study of the use of eval in javascript applications, Proceedings ...
Preflight Checklist I have read the Contributing Guidelines for this project. I agree to follow the Code of Conduct that this project adheres to. I have searched the issue tracker for an issue that matches the one I want to file, without...
<!DOCTYPE html> largeClosures smallClosures evalClosures clearClosures var closures = []; function createLargeClosure() { var largeStr = new Array(1000000).join('x'); return function lC() { return largeStr; }; } function createSmallClosure() { var smallStr = 'x'; var largeS...
JavaScript 严格模式(use strict) JavaScript 严格模式(strict mode)即在严格的条件下运行。 使用"use strict" 指令 "use strict" 指令在 JavaScript 1.8.5 (ECMAScript5) 中新增。 它不是一条语句,但是是一个字面量表达式,在 JavaScript 旧版本中会被忽略。
We have a CSP that blocks the use of unsafe-eval and that is giving a warning: The Content Security Policy (CSP) prevents the evaluation of arbitrary strings as JavaScript to make it more difficult for an attacker to inject unathorized code on your site. To solve this issue, avoid using...
严格模式是在 ECMAScript5(ES5)中引入的,在严格模式下,JavaScript 对语法的要求会更加严格,一些在正常模式下能够运行的代码,在严格模式下将不能运行。 添加严格模式,主要有以下几个目的: 消除JavaScript 语法中一些不合理、不严谨的地方; 消除代码中一些不安全的地方,保证代码的安全运行; ...
obj ={getx() {return 0} };obj.x=3.14;//报错:ncaught TypeError: Cannot set property x of #<Object> which has only a getter//不允许删除一个不允许删除的属性:"use strict";deleteObject.prototype;//报错//变量名不能使用"eval"字符串://eval()函数可计算某个字符串,并执行其中的的JavaScript...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 "use strict";functionsquare(a,a){// 此处报错:Uncaught SyntaxError: Duplicate parameter name not allowed in this contextreturna*a;} 4、eval 语句的作用域是独立的 普通模式下,eval 语句的作用域取决于它所在的位置,而在严格模式下,eval 语句本身就是...
Use of eval in "node_modules/.pnpm/vue-pdf-embed@1.2.1_vue@3.3.4/node_modules/vue-pdf-embed/dist/vue3-pdf-embed.js" is strongly discouraged as it poses security risks and may cause issues with minification.hrynko/vue-pdf-embed#164 ...