1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Title</title> 6 </head> 7 <body> 8 <script> 9 var num1=15; 10 var num2=18; 11 //1.判断num1是否小于等于30以及num2是否大于等15; 12 var result=num1<=30 && num2>=15; 13 console.log(result); 14 //输出结果为true 15 16 //2.判断num1是否大于等于30以及num2是否<于等15; 17 var result2=num1>=30&&num2<=15; 18 console.log(result2); 19 20 //3.判断num1是否小于等于30,以及num2的值赋值为8888; 21 22 //(翻译):如果num1的值小于等于30的话,那么就将num2的值更改为888; 23 var result4=(num4<=30) && (num4=8888); 24 console.log(result4); 25 console.log(num2); 26 27 //4.判断num1是否大于等于30,以及num2的值赋值为8888; 28 //(翻译):如果num1的值大于等于30的话,那么就将num2的值更改为888; 29 var result5=(num1>=30) && (num2=888); 30 console.log(result5); 31 console.log(num2); 32 33 </script> 34 </body> 35 </html>
时间: 2024-10-11 13:31:48