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JavaScript 字符串 codePointAt() 方法
tryjsref_codepointat2
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<!DOCTYPE html> <html> <body> <h1>JavaScript Strings</h1> <h2>The codePointAt() Method</h2> <p>codePointAt() returns the code point at a specified position in a string.</p> <p>Get the code point at the second character:</p> <p id="demo"></p> <script> let text = "HELLO WORLD"; let code = text.codePointAt(1); document.getElementById("demo").innerHTML = code; </script> </body> </html>