给定下面的HTML代码:[br][/br]测试本文1[br][/br]测试本文2[br][/br]测试本文3[br][/br]怎么能够将"测试文本2"修改为"ok" A: $(".txt")[1].html("ok"); B: $(".txt")[2].html("ok"); C: $(".txt")[1].innerHTML="ok"; D: $(".txt")[2].innerHTML="ok";
给定下面的HTML代码:[br][/br]测试本文1[br][/br]测试本文2[br][/br]测试本文3[br][/br]怎么能够将"测试文本2"修改为"ok" A: $(".txt")[1].html("ok"); B: $(".txt")[2].html("ok"); C: $(".txt")[1].innerHTML="ok"; D: $(".txt")[2].innerHTML="ok";
给定下面的HTML代码:[br][/br]测试本文1[br][/br]测试本文2[br][/br]测试本文3[br][/br]怎么能够将"测试文本2"修改为"ok" A: $(".txt").eq(1).val("ok"); B: $(".txt").eq(2).val("ok"); C: $(".txt").eq(1).text("ok"); D: $(".txt").eq(2).text("ok");
给定下面的HTML代码:[br][/br]测试本文1[br][/br]测试本文2[br][/br]测试本文3[br][/br]怎么能够将"测试文本2"修改为"ok" A: $(".txt").eq(1).val("ok"); B: $(".txt").eq(2).val("ok"); C: $(".txt").eq(1).text("ok"); D: $(".txt").eq(2).text("ok");
12window对象测试2:下列哪个弹窗可以让用户输入内容? A: window.alert("ok") B: window.confirm("ok?") C: window.prompt("ok?")
12window对象测试2:下列哪个弹窗可以让用户输入内容? A: window.alert("ok") B: window.confirm("ok?") C: window.prompt("ok?")
M: It starts at half past seven, but let’s meet at seven.F: Ok, see you later. When will they meet() A: 7:00. B: 7:15. C: 7:30.
M: It starts at half past seven, but let’s meet at seven.F: Ok, see you later. When will they meet() A: 7:00. B: 7:15. C: 7:30.
字符串替换: echo substr_replace("abcdefg", "OK", 3)."";//abdOK echo substr_replace("abcdefg", "OK", 3,3)."";//abcOKg echo substr_replace("abcdefg", "OK", -2,3)."";//abcdeOK echo substr_replace("abcdefg", "OK", 3,-2)."";//abcOKfg echo substr_replace("abcdefg", "OK", 2,0)."";//abOKcdefg 编辑代码,并输出运行结果
字符串替换: echo substr_replace("abcdefg", "OK", 3)."";//abdOK echo substr_replace("abcdefg", "OK", 3,3)."";//abcOKg echo substr_replace("abcdefg", "OK", -2,3)."";//abcdeOK echo substr_replace("abcdefg", "OK", 3,-2)."";//abcOKfg echo substr_replace("abcdefg", "OK", 2,0)."";//abOKcdefg 编辑代码,并输出运行结果
下列程序的输出结果是( )。a=1;switch a case 3|4 disp('perfect') case {1,2} disp('ok') otherwise disp('no')end? ok|perfect|no|2
下列程序的输出结果是( )。a=1;switch a case 3|4 disp('perfect') case {1,2} disp('ok') otherwise disp('no')end? ok|perfect|no|2
The output of the following program is ( ). a=1; switch a case 3|4 disp('perfect') case {1,2} disp('ok') otherwise disp('no') end A: ok B: perfect C: no D: 2
The output of the following program is ( ). a=1; switch a case 3|4 disp('perfect') case {1,2} disp('ok') otherwise disp('no') end A: ok B: perfect C: no D: 2
The"OK"gesturemeans"OK"worldwide.
The"OK"gesturemeans"OK"worldwide.
print('I\'m \"OK\"! ' )的输出结果是? A: I'm "OK"! B: I'm "OK"!' C: I'm 'OK'! D: I\'m "OK"!
print('I\'m \"OK\"! ' )的输出结果是? A: I'm "OK"! B: I'm "OK"!' C: I'm 'OK'! D: I\'m "OK"!
关于//,以下正确的运算结果是? A: 7 // 2 = 3 B: 7 // 2 = 3.5 C: 7 // 2 = 1 D: 7 // 2 = 0
关于//,以下正确的运算结果是? A: 7 // 2 = 3 B: 7 // 2 = 3.5 C: 7 // 2 = 1 D: 7 // 2 = 0