<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x==8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x==8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x==5 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x==5; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x==="5" 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x==="5"; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x!=8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x!=8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x!=="5" 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x!=="5"; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x>8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x>8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x<8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x<8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x>=8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x>=8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>x=5, 返回 x<=8 的比较值结果。</p> <button onclick="myFunction()">尝试一下</button> <p id="demo"></p> <script> function myFunction() { var x=5; document.getElementById("demo").innerHTML=x<=8; } </script> </body> </html>
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>点击按钮检测年龄。</p> 年龄:<input id="age" value="18" /> <p>是否达到投票年龄?</p> <button onclick="myFunction()">点击按钮</button> <p id="demo"></p> <script> function myFunction() { var age,voteable; age=document.getElementById("age").value; voteable=(age<18)?"年龄太小":"年龄已达到"; document.getElementById("demo").innerHTML=voteable; } </script> </body> </html>
