31 lines
640 B
TypeScript
31 lines
640 B
TypeScript
{
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const firstName = 'John';
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// if (firstName === John) {
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// // ReferenceError: John is not defined
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// console.log(firstName);
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// }
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// if (firstname === 'John') {
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// // Uncaught ReferenceError: firstname is not defined
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// console.log(firstName);
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// }
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if (firstName === 'John') {
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console.log(firstName);
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}
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function greet() {
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console.log('Hello, ' + fullName); // Cannot find name 'fullName'.
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console.log(typeof fullName);
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}
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// greet(); // => ReferenceError: fullName is not defined
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// function greet(fullName) {
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// console.log(`Hello, ${fullName}`);
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// }
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greet('John Wick');
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}
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