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<!DOCTYPE html> <html> <body> <h2>JavaScript String() 方法</h2> <p>String() 方法可以将数字转换为字符串。</p> <p id="demo"></p> <script> var x = 123; document.getElementById("demo").innerHTML = String(x) + "<br>" + String(123) + "<br>" + String(100 + 23); </script> </body> </html>