Created
February 10, 2023 14:27
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| // variable with type | |
| // const | |
| // operation | |
| // comparisation | |
| // condition | |
| //loop | |
| //function | |
| // ds | |
| //dsfdfsdfdsf | |
| /* | |
| 1 byte = 8 bit | |
| */ | |
| var x = 15 | |
| // azAZ$_ | |
| //azAZ_$09 | |
| //var _st_$3 = "Ecoin" | |
| // number string boolean object array | |
| var num1 = 25 // integer | |
| var num2 = 36.9 //float | |
| var num3 = 20195.98745 // double | |
| var str1 = "Welcom to ecoin" // String | |
| var str2 = 'A' // String char | |
| var isAdmin = true //boolean bool | |
| var isUser = false // boolean | |
| //console.log(str1) | |
| //console.log(num2) | |
| var tab = [45, 36, "Ecoin", true, 2016] | |
| //console.log(tab) | |
| var tab2 = new Array(45, 36, 9, 8, 7) | |
| //console.log(tab2) | |
| var tab3 = new Array() | |
| tab3[0] = "Ecoin" | |
| tab3[1] = 28 | |
| tab3[2] = 2.66 | |
| tab3[3] = 203 | |
| tab3[4] = false | |
| //console.log(tab3) | |
| //console.log(typeof tab2) | |
| var tab4 = [14, 36, "Ecoin", 2023] | |
| tab4['test'] = 88 | |
| //console.log(tab4) | |
| //Object | |
| var student = { nom: "Ahmed", prenom: "kadri", age: 25 } | |
| //console.log(student.age) | |
| //console.log(typeof student.age) | |
| const PI = 3.14 | |
| //console.log(PI) | |
| const project = "Ecoin" | |
| // + - * / % | |
| var x = 25 | |
| /* | |
| console.log(x + y) | |
| console.log(x - y) | |
| console.log(x * y) | |
| console.log(y / x) | |
| console.log(y % x) | |
| */ | |
| //x = x + 9 // x+=9 | |
| /*x += 9 | |
| console.log(x) | |
| x = x - 9 // x-=6 | |
| x = x * 9 // x*=6 | |
| x = x / 9 // x/=6 | |
| */ | |
| //x = x + 1 // x++ /incrementation | |
| //x++ // x-- | |
| //console.log(++x) //25 | |
| //console.log(x++) //25 | |
| var a = 19 | |
| var b = 23 | |
| // == != > >= < <= ! === | |
| var t = a > b | |
| //console.log(!t) | |
| var c1 = 25 | |
| var c2 = "25" | |
| //console.log(c1 === c2) | |
| //console.log(true & true) | |
| /* | |
| true && true ===> true | |
| true && false ===> false | |
| false && true ===> false | |
| false && false ===> false | |
| true || true ===> true | |
| true || false ===> true | |
| false || true ===> true | |
| false || false ===> false | |
| */ | |
| // condition nested if | |
| /*var x = 45 | |
| if (x >35) | |
| console.log("Yes"); | |
| else if (x > 25) | |
| console.log("X > 25") | |
| else | |
| console.log("OK") | |
| console.log("Ecoin") | |
| */ | |
| /* | |
| var a1 = prompt("please enter number1") | |
| a1 = parseInt(a1) | |
| var a2 = prompt("please enter number2") | |
| a2 = parseInt(a2) | |
| if (a1 > a2) { | |
| console.log("A1 > A2") | |
| } else if(a1 < a2) { | |
| console.log("A2 > A1") | |
| } else { | |
| console.log("A2 = A1") | |
| } | |
| */ | |
| //console.log(typeof a1) | |
| //a1 a2 a3 >= | |
| /* | |
| a, b, c | |
| a >= b ==> t ==> a >= c | |
| ==> f ==> b >= c | |
| */ | |
| /* | |
| var a = prompt("please enter number1") | |
| a = parseInt(a) | |
| var b = prompt("please enter number2") | |
| b = parseInt(b) | |
| var c = prompt("please enter number2") | |
| c = parseInt(c) | |
| if (a >= b ) { | |
| if (a >= c) { | |
| if(a%2==0) console.log(a+" is pair") | |
| else console.log(a+" is impair") | |
| } else { | |
| if(c%2==0) console.log(c+" is pair") | |
| else console.log(c+" is impair") | |
| } | |
| } else { | |
| if (b >= c) { | |
| if(b%2==0) console.log(b+" is pair") | |
| else console.log(b+" is impair") | |
| }else { | |
| if(c%2==0) console.log(c+" is pair") | |
| else console.log(c+" is impair") | |
| } | |
| } | |
| */ | |
| //loob | |
| var i = 1 | |
| while (i<=5) { | |
| console.log("Ecoin"+i) | |
| i++ | |
| } | |
| var j = 1 | |
| do { | |
| console.log("JS "+j) | |
| j++ | |
| }while(j<=10) | |
| var t = [] | |
| var s = 0 | |
| while (s <= 4) { | |
| t[s] = "Ecoin " + s | |
| s++ | |
| } | |
| console.log(t) | |
| var s1 = 0 | |
| while (s1 <= 4) { | |
| console.log(t[s1]) | |
| s1++ | |
| } |
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