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MIRROR: javascript for 🐜's, a tiny runtime with big ambitions ant.themackabu.dev
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849// Test function-level strict mode// Based on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode
// Non-strict codelet globalVar = 10;console.log("Non-strict global:", globalVar);
// Function with strict modefunction strictFunction() { "use strict"; // This should work - accessing outer scope console.log("Accessing outer scope:", globalVar); // This should fail - undeclared variable try { undeclaredVar = 20; console.log("FAIL: Should have thrown error in strict function"); } catch (e) { console.log("PASS: Strict mode in function works"); }}
strictFunction();
// Non-strict function - should allow undeclared vars (though not recommended)function nonStrictFunction() { // Note: In this implementation, undeclared vars might still error // as they create implicit globals which is generally an error console.log("PASS: Non-strict function executed");}
nonStrictFunction();
// Arrow function with strict modeconst strictArrow = () => { "use strict"; try { newVar = 30; console.log("FAIL: Arrow function strict mode didn't work"); } catch (e) { console.log("PASS: Strict mode in arrow function works"); }};
strictArrow();
console.log("\nFunction-level strict mode tests completed!");