JSFiddle - React, Tailwind, and code Playground

by senica

HTML

[1, 1, 2, 3, 5, 8]

JavaScript

var myArray = [];
myArray[0] = "test";
myArray[3] = "senica";
myArray[2] = "What";

//myArray[4] = "soemthign";
//myArray[myArray.length] = "something";
//myArray.push("something");

var last = myArray.pop();
var first = myArray.shift();

myArray = myArray.concat(["test", "group", "one", 2, 3, 4, 5, 6]);

/*var x = 5;
while(true){
    //do this forever   
    console.log("hello");
    if(x == 5)
        break;
    continue;
}
console.log(myArray);*/

/*For LOOP
for(var i=0; i < myArray.length; i++){
    if(i == 3)
        continue; //skip this one
    if(i == 7)
        break;
    console.log(i + " - " +myArray[i]); 
}
*/

/*
for(var index in myArray){
    console.log(index);
    console.log(myArray[index]);
}
*/

var myObject = {
    name:"Senica",
    age:30,
    nationality:"USA",
    address:{
        street:"Yellow Pine Way",
        city:"Sacramento",
    }
}

for(var key in myObject){
    if(typeof myObject[key] === "object"){
        for(var i in myObject[key]){
             console.log("      " + i + " - " + myObject[key][i]);   
        }
    }else
        console.log(key + " - " + myObject[key]);  
}

console.log("name" in myObject);



/*var myFunc = function(){
    var a = arguments;
    for(var i = 0; i<a.length; i++){
        console.log(a[i]);        
    }
}

myFunc("senica", "man", "guy", "babe");*/



var fibanocci = function(l){
    
    var sequence = [1, 1];
    
    for(var i=2; i<l; i++){
        var n = sequence[i-2] + sequence[i-1];
        sequence.push(n);
    }
    
    return sequence;
}

var mysequence = fibanocci(100);

console.log(mysequence);