Today is the day of the Week 4 kinds of JS code _javascript Tips

The first form of writing

Copy Code code as follows:

var str = "";
var week = new Date (). Getday ();
if (week = = 0) {
str = "Today is Sunday";
else if (week = 1) {
str = "Today is Monday";
else if (week = 2) {
str = "Today is Tuesday";
else if (week = 3) {
str = "Today is Wednesday";
else if (week = 4) {
str = "Today is Thursday";
else if (week = 5) {
str = "Today is Friday";
else if (week = 6) {
str = "Today is Saturday";
}
Name= "Code" class= "JavaScript" > Alert (str);</pre>

The second one

Copy Code code as follows:

var str = "Today is Week";
var week = new Date (). Getday ();
Switch (week) {
Case 0:
str = "Day";
Break
Case 1:
str = "one";
Break
Case 2:
STR + + "II";
Break
Case 3:
STR + + "three";
Break
Case 4:
STR + + "four";
Break
Case 5:
STR + + "V";
Break
Case 6:
STR + + "VI";
Break
}
alert (str);

The third way of writing

Copy Code code as follows:

var a = new Array ("Day", "one", "two", "three", "four", "five", "six");
var week = new Date (). Getday ();
var str = "Today is Week" + A[week];
alert (str);

The fourth way of writing

Copy Code code as follows:

var str = "Today is the Week" + "Day 123456". CharAt (New Date (). Getday ()); alert (str);