script.js

////Day number 4 ( variabls)
/* 
var x =5
var y =4
var m =x*y
document.write("العدد ٥*٤ <br> يساوي"+ "<br>"+ m);
*/
/////Day number 5 (new line )
/* 
document.write("Hello, I will go to next line<br>")
document.write("now I am in the new line<br>")
*/
/////Day number 6 (new function)
/*
function _test(){
    document.write("welcom to my first function ")
}
_test()
*/
/////Day number 7 (Words Reserved)
/*
function Words_Reserved(){
document.write("this words not used in Variable Ex void - this - class - for - whille -import ")
}
Words_Reserved()
*/
/////Day number 8 (semicolon)
/*
var a = 2 ; var b =2 ; var c = a+b;
document.write(c)
*/
/////Day number 9 (  Math.max(x,y,z) // وسيط اكبر / من العمليات الرياضية)
/*
var x=10 ;y=20 ;z=30
var a = Math.max(x,y,z)
document.write(a)
*/
/////Day number 10 ( )Dates and Times( والوقت التاريخ)

//document.write("date & time  <br>")
//var a=  oldDateWithTime = new Date()
//document.write(a)


/////Day number 11+12 ( tset weekend )
/*
console.log(new Date())
*/
 /////Day number 13  ( String )

 var b="welcome" ,x="hello " ;
document.writeln(b.toUpperCase())
document.write("<br>");
var b="welcome" ,x="hello" ;
document.writeln(b.length);
var s = "hello";
document.write("<br>");
document.write(s.toUpperCase())
document.write("<br>");
document.write(s.replace("h","H"))