const regexp1 = /foo/;
// console.log('/foo/'.startsWith(regexp1));
// expected output: (Chrome) Error: First argument to String.prototype.startsWith must not be a regular expression
// expected output: (Firefox) Error: Invalid type: first can't be a Regular Expression
regexp1[Symbol.match] = false;
console.log('/foo/'.startsWith(regexp1));
// expected output: true
console.log('/baz/'.endsWith(regexp1));
// expected output: false
const regexp1 = /foo/;// console.log('/foo/'.startsWith(regexp1));// expected output: (Chrome) Error: First argument to String.prototype.startsWith must not be a regular expression// expected output: (Firefox) Error: Invalid type: first can't be a Regular Expressionregexp1[Symbol.match] = false;console.log('/foo/'.startsWith(regexp1));// expected output: trueconsole.log('/baz/'.endsWith(regexp1));// expected output: false