30 lines
615 B
HTML
30 lines
615 B
HTML
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<!doctype html>
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<html lang=en>
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<head>
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<meta charset=utf-8>
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<title>Showing hoisting</title>
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</head>
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<body>
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<div id="body"></div>
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</body>
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<script>
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console.log(typeof variable); // undefined
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// console.log(variable); // Raises: ReferenceError: variable is not defined
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function hoist() {
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a = 20;
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var b = 100;
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}
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hoist();
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// 20, accessible as a global variable outside of hoist
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console.log(a);
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// Raises: ReferenceError: b is not defined
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// console.log(b);
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document.getElementById("body").innerHTML = "Hello JavaScript!";
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</script>
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</html>
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