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02-Flow-Of-Control.js
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02-Flow-Of-Control.js
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// Check for equality
let bool1 = true; //? boolean
let bool2 = true;
let one = 1; //? number
// Checks the VALUE
console.log(bool1 == bool2); //? TRUE
console.log(bool1 == one); //? TRUE
// Strict Equality = Check the VALUE and TYPE
console.log(bool1 === one); //? FALSE
let variable;
let variable2 = null;
console.log(variable == variable2); //? TRUE
console.log(variable === variable2); //? FALSE
// Check the VALUE
console.log(1 == "1"); //? TRUE
console.log(1 != "1"); //? FALSE
// Check the VALUE AND TYPE
console.log(1 === "1"); //? FALSE
console.log(1 !== "1"); //? TRUE
// Iterator
let x = 1;
console.log(x++); //? 1
console.log(x); //? 2
let y = 1;
console.log(++y); //? 2
console.log("-------------");
for(let i=0; i<5; i++){
console.log(i);
}
console.log("-------------");
for (let i = 0; i <= 3; i++){
console.log(`i = ${i++}`);
}
// for( [initialexpression]; [condition]; iterator){
// }
// do while => Will run atleast once before checking a condition
let canIRun = false;
do{
console.log("I ran atleast once");
}while(canIRun);
//while loop => Check the condition first, then if its :( wont run
let pups = 0;
let enough = false;
while(enough){
console.log("A puppyyy!");
pups++;
}
// Switch => evaluates a expression, then finds matching case
let now = new Date();
console.log(now.getDay());
switch(now.getDay()){
case 0:
console.log(`sunday`);
break;
case 1:
case 2:
case 3:
case 4:
case 5:
console.log(`Weekday`);
break;
case 6:
console.log(`Saturday`);
break;
default:
console.log(`Who knowssss`);
break;
}
let greeting = `good`;
if(now.getHours() > 17){
greeting += ` evening`;
}else{
greeting += ` morning`;
}
console.log(greeting); //? Good Morning
// Ternary Statement
// syntax: (condition) ? valueIfTrue : valueIfFalse
let greeting2 = (now.getHours() > 17) ? `Good Evening` : `Good Morning`;
console.log(`Welcome Savannah, how are you today, ${now.getTime()} , someone says ${greeting2} `);
console.log("Welcome Savannah, how are you today," + now.getTime() + "someone says" + greeting2);