Several web Front-end exercises and several web exercises

Several web Front-end exercises and several web exercises

Which of the following attributes is not a common attribute in HTML?
A] <class>
B] <title>
C] D] <style>

Online exercise: http://hovertree.com/tiku/bjaf/qi1g37nf.htm

 

In CSS style definition, which of the following RGB color values is Web security color?
A] #111111
B] #222222
C] #333333
D] #444444

Http://hovertree.com/tiku/bjaf/72jaf1n0.htm:

 

Which of the following HTML statements can generate hyperlinks?
A. <a url = "http://hovertree.com"> hovertree.com </a>
B. <a href = "http://hovertree.com"> hovertree.com </a>
C. <a> http://www.hovertree.com </a>
D. <a name = "http://www.hovertree.com"> hovertree.com </a>

Http://hovertree.com/tiku/bjaf/poxbsuuh.htm:

 

The correct method for defining JavaScript arrays is:
A. var txt = {"Keleyi", "Hewenqi", "Hovertree "}
B. var txt = new Array (1: "Keleyi", 2: "Hewenqi", 3: "Hovertree ")
C. var txt = new Array ("Keleyi", "Hewenqi", "Hovertree ")
D. var txt = new Array: 1 = ("Keleyi") 2 = ("Hewenqi") 3 = ("Hovertree ")

Online Q & A: http://hovertree.com/tiku/bjaf/c5yteg7d.htm

Recommended: http://www.cnblogs.com/roucheng/p/texiao.html