IntroductionToJavascript/second.js at master · rufai/IntroductionToJavascript · GitHub

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let nigeriaBanksData = [{"name":"Access Bank","slug":"access-bank","code":"044","ussd":"*901#","logo":"https://nigerianbanks.xyz/logo/access-bank.png"},{"name":"Access Bank (Diamond)","slug":"access-bank-diamond","code":"063","ussd":"*426#","logo":"https://nigerianbanks.xyz/logo/access-bank-diamond.png"},{"name":"ALAT by WEMA","slug":"alat-by-wema","code":"035A","ussd":"*945*100#","logo":"https://nigerianbanks.xyz/logo/alat-by-wema.png"},{"name":"ASO Savings and Loans","slug":"asosavings","code":"401","ussd":"","logo":"https://nigerianbanks.xyz/logo/asosavings.png"},{"name":"Bowen Microfinance Bank","slug":"bowen-microfinance-bank","code":"50931","ussd":"","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"CEMCS Microfinance Bank","slug":"cemcs-microfinance-bank","code":"50823","ussd":"","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Citibank Nigeria","slug":"citibank-nigeria","code":"023","ussd":"","logo":"https://nigerianbanks.xyz/logo/citibank-nigeria.png"},{"name":"Ecobank Nigeria","slug":"ecobank-nigeria","code":"050","ussd":"*326#","logo":"https://nigerianbanks.xyz/logo/ecobank-nigeria.png"},{"name":"Ekondo Microfinance Bank","slug":"ekondo-microfinance-bank","code":"562","ussd":"*540*178#","logo":"https://nigerianbanks.xyz/logo/ekondo-microfinance-bank.png"},{"name":"Fidelity Bank","slug":"fidelity-bank","code":"070","ussd":"*770#","logo":"https://nigerianbanks.xyz/logo/fidelity-bank.png"},{"name":"First Bank of Nigeria","slug":"first-bank-of-nigeria","code":"011","ussd":"*894#","logo":"https://nigerianbanks.xyz/logo/first-bank-of-nigeria.png"},{"name":"First City Monument Bank","slug":"first-city-monument-bank","code":"214","ussd":"*329#","logo":"https://nigerianbanks.xyz/logo/first-city-monument-bank.png"},{"name":"Globus Bank","slug":"globus-bank","code":"00103","ussd":"*989#","logo":"https://nigerianbanks.xyz/logo/globus-bank.png"},{"name":"Guaranty Trust Bank","slug":"guaranty-trust-bank","code":"058","ussd":"*737#","logo":"https://nigerianbanks.xyz/logo/guaranty-trust-bank.png"},{"name":"Hasal Microfinance Bank","slug":"hasal-microfinance-bank","code":"50383","ussd":"*322*127#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Heritage Bank","slug":"heritage-bank","code":"030","ussd":"*322#","logo":"https://nigerianbanks.xyz/logo/heritage-bank.png"},{"name":"Jaiz Bank","slug":"jaiz-bank","code":"301","ussd":"*389*301#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Keystone Bank","slug":"keystone-bank","code":"082","ussd":"*7111#","logo":"https://nigerianbanks.xyz/logo/keystone-bank.png"},{"name":"Kuda Bank","slug":"kuda-bank","code":"50211","ussd":"","logo":"https://nigerianbanks.xyz/logo/kuda-bank.png"},{"name":"One Finance","slug":"one-finance","code":"565","ussd":"*1303#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Parallex Bank","slug":"parallex-bank","code":"526","ussd":"*322*318*0#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Polaris Bank","slug":"polaris-bank","code":"076","ussd":"*833#","logo":"https://nigerianbanks.xyz/logo/polaris-bank.png"},{"name":"Providus Bank","slug":"providus-bank","code":"101","ussd":"","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Rubies MFB","slug":"rubies-mfb","code":"125","ussd":"*7797#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Sparkle Microfinance Bank","slug":"sparkle-microfinance-bank","code":"51310","ussd":"","logo":"https://nigerianbanks.xyz/logo/sparkle-microfinance-bank.png"},{"name":"Stanbic IBTC Bank","slug":"stanbic-ibtc-bank","code":"221","ussd":"*909#","logo":"https://nigerianbanks.xyz/logo/stanbic-ibtc-bank.png"},{"name":"Standard Chartered Bank","slug":"standard-chartered-bank","code":"068","ussd":"","logo":"https://nigerianbanks.xyz/logo/standard-chartered-bank.png"},{"name":"Sterling Bank","slug":"sterling-bank","code":"232","ussd":"*822#","logo":"https://nigerianbanks.xyz/logo/sterling-bank.png"},{"name":"Suntrust Bank","slug":"suntrust-bank","code":"100","ussd":"*5230#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"TAJ Bank","slug":"taj-bank","code":"302","ussd":"*898#","logo":"https://nigerianbanks.xyz/logo/taj-bank.png"},{"name":"TCF MFB","slug":"tcf-mfb","code":"51211","ussd":"*908#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Titan Trust Bank","slug":"titan-trust-bank","code":"102","ussd":"*922#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Union Bank of Nigeria","slug":"union-bank-of-nigeria","code":"032","ussd":"*826#","logo":"https://nigerianbanks.xyz/logo/union-bank-of-nigeria.png"},{"name":"United Bank For Africa","slug":"united-bank-for-africa","code":"033","ussd":"*919#","logo":"https://nigerianbanks.xyz/logo/united-bank-for-africa.png"},{"name":"Unity Bank","slug":"unity-bank","code":"215","ussd":"*7799#","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"VFD","slug":"vfd","code":"566","ussd":"","logo":"https://nigerianbanks.xyz/logo/default-image.png"},{"name":"Wema Bank","slug":"wema-bank","code":"035","ussd":"*945#","logo":"https://nigerianbanks.xyz/logo/wema-bank.png"},{"name":"Zenith Bank","slug":"zenith-bank","code":"057","ussd":"*966#","logo":"https://nigerianbanks.xyz/logo/zenith-bank.png"}]

console.log( "This is Second JS File ")

// 0
console.log ( nigeriaBanksData[0].logo )
console.log ( nigeriaBanksData[0].ussd )
console.log( nigeriaBanksData[0].name )
// 1
console.log ( nigeriaBanksData[1].logo )
console.log ( nigeriaBanksData[1].ussd )
console.log( nigeriaBanksData[1].name )
// 2
console.log ( nigeriaBanksData[2].logo )
console.log ( nigeriaBanksData[2].ussd )
console.log( nigeriaBanksData[2].name )
// 3
console.log ( nigeriaBanksData[3].logo )
console.log ( nigeriaBanksData[3].ussd )
console.log( nigeriaBanksData[3].name )
// ... 38

// LOOPS ( repetition )
// 1) start
// 2) stop
// 3) step ( connect start to stop )

// 1, 3, 5, 7, 9
// start  === 1
// stop ==== 9
// step === 2

// 21, 18, 15, 12, 9, 6, 3, 2
// start ====> 21
// stop ===>  2
// step ===> -3

// types of loop ( for, while )

/**
 *
 *  for ( start; stop; step )
 *  {
 *
 *  }
 */

console.log( "Start Counting" )
console.log( 0 )
console.log( 1 )
console.log( 2 )
console.log( 3 )
console.log( 4 )
console.log( 5 )
console.log( 6 )
console.log( 7 )
console.log( 8 )
console.log( 9 )
console.log( 10 )

console.log( "The Loop will start counting ")

// increasing
for ( let i = 0; i < 11; i += 2 ){
    console.log( i )
}

console.log( "The Loop will start decreasing ")

// decreasing

for ( let k = 21; k > 2; k -= 3) {
    console.log( k )
}

for ( let j = 0; j < nigeriaBanksData.length; j++)
{
    console.log ( nigeriaBanksData[j].logo )
    console.log ( nigeriaBanksData[j].ussd )
    console.log( nigeriaBanksData[j].name )
}

console.log( "The Nigeria Banks Printing Backwards ")


for ( let index = nigeriaBanksData.length - 1; index >= 0; index -= 1 ){

    console.log( index )

    console.log ( nigeriaBanksData[index].name )
    console.log ( nigeriaBanksData[index].ussd )
    console.log( nigeriaBanksData[index].logo )
}

// while loop
/**
 *  start
 *  while ( stop ) {
 *
 *      step
 *  }
 *
 */

console.log( " WHILE LOOP")

let m = 0 // start
while ( m < 10 ) // stop
{
    console.log( m )
    m++ // step
}

// infinite loop