Variables, Values, Operators (JavaScript)
Variables, Values and Operators are simply a way to describe something.For example:
A = monday.
“A” is your variable
“=” is your operator
“monday” is your value.
Variables are easily set, reset, and changed. You can name a variable almost anything you want, as long as it starts with a letter or an underscore; however it is important to note the case sensitivity of JavaScript. A variable “name” is not the same as “Name”. Creating a variable is also known as declaring a variable. The declaration is done through the var function.
You may assign a value to the variable in the declaration, or leave the value as null. A value is simply what an object or variable represents.
Operators are simply, the methods used to assign, or change, the value of a variable, or object. The = sign is actually an assignment operator, where as == represents equality. The + sign is the concatenation operator, basically the addition of anything, arithmetic or not. To add one to the value of a variable you can use ++, the same principal applies with subtracting one from the value using –. All other mathematical operations are, and are used the same way as in mathematics. Sounds complicated, but in practice is very simple.
var y=7; // The declaration of variable y , while assigning the value.
var z=”string”; // Variables can contain almost anything, not just numbers.
x = 3; // This assigns the value of x to be 3.
x = 3 + y; //The value of x has been reset to the value of y+3 or 10.
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There are several versions of Linux, Redhat, Mandriva and the list goes on and on. But switching between languages is not dependent on the OS, you need a database to do that and then you need to make sure the server has the correct font. It’s simple enough to put the data in the db, and then use a switch that says English or Japanese and do
if language=english print “this text here”;
else if language = japanese print “the other text here instead”;
One thing you want to be certian of, as with Japanese, some languages read right to left instead of left to right. The problem with that is spacing. Your pages won’t lay out the same if your text runs top to bottom as it will if it runs left to right.
Have fun!
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