js--3目运算符
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <title>hello world</title> </head> <body> <script type="text/javascript"> window.onload= function myf(){ var a=5>2; var b=2; var c=3; var Max=a?b:c; alert(Max)//1.如果a的值为true,计算b的值,运算结果为b的值; 2.否则,计算c的值,运算结果为c的值。 } </script> </body> </html>
结果会弹出2