a2e12f3d37
Implement eval() as a sentinel-intercepted builtin that parses and executes code strings at runtime with proper scope and strict mode handling. Direct eval inherits caller scope (vars leak in non-strict), while indirect and strict eval contain declarations via function scope. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
11 lines
201 B
JavaScript
11 lines
201 B
JavaScript
// eval() strict mode — var containment
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var leaked = false;
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eval("'use strict'; var strictVar = 99");
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try {
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strictVar;
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leaked = true;
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} catch (e) {
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leaked = false;
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}
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console.log(leaked);
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