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JavaScript if 语句
tryjs_if_nested
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<!DOCTYPE html> <html> <body> <h1>JavaScript Nested if</h1> <p id="demo"></p> <script> let age = 16; let country = "USA"; let text = "You can Not drive!"; if (country == "USA") { if (age >= 16) { text = "You can drive!"; } } document.getElementById("demo").innerHTML = text; </script> </body> </html>