Can I use block scope in older browsers?
An example of an AI chatbot conversation about block scope compatibility in older browsers.
Can I use block scope in older browsers?
Block scope, introduced in ES6 with let and const, is not supported in older browsers like IE11.
What should I do if I need to support those browsers?
You can use var for variable declarations, which is function-scoped and compatible with older browsers.
Are there any polyfills or transpilers I can use?
Yes, tools like Babel can transpile your ES6 code to ES5, making it compatible with older browsers.
Is there a performance impact when using transpilers?
Transpilers can add some overhead, but the impact is usually minimal compared to the benefits of modern syntax.
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