2025-03-18 19:28:35 +01:00
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<!DOCTYPE html>
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2024-10-20 13:50:39 +13:00
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<script src="../include.js"></script>
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<script>
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test(() => {
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const str = '\uD83D\uDC36'; // 🐶
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let t = document.createTextNode(str);
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println("Before substringData:");
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for (let i = 0; i < t.length; ++i) {
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println("[" + i + "]: " + t.data.charCodeAt(i));
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}
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// Break the surrogate pair
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const invalidSubstring = t.substringData(0, 1);
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println("After substringData(0, 1):");
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for (let i = 0; i < invalidSubstring.length; ++i) {
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println("[" + i + "]: " + invalidSubstring.charCodeAt(i));
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}
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});
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</script>
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