Homework3/index.js

//html tree

let body = {
    tagName: "body",
    subTags: [
        {
            tagName: "div",
            subTags: [
                { tagName: 'span', text: 'Enter a data please:' },
                { tagName: 'br' },
                { tagName: 'input', attr: { type: 'text', id: 'name'  } },
                { tagName: 'input', attr: { type: 'text', id: 'surname' } },
        
            ]
        },
        {
            tagName: 'div',
            subTags: [
                { tagName: 'button', text: 'ok', attr: { id:'ok' }  },
                { tagName: 'button', text: 'Cancel', attr: { id: 'cancel' } }
            ]
        }

        
    ]
 
}

body.subTags[1].subTags[1].text
body.subTags[0].subTags[3].attr.id


//declarative fields


var notebook = {
    brand: prompt('Enter brand'),
    type:  prompt('Enter type'),
    model: prompt('Enter model'),
    ram: prompt('Enter ram'),
    size: prompt('Enter size'),
    weight: prompt('Enter weight'),
    resolution: {
        width: prompt('Enter width'),
        height: prompt('Enter height'),
    },
};

var phone = {
    brand: prompt('What is brand?'),
    model: prompt('What is model?'),
    ram: +prompt('Enter you ram?'),
    color: prompt('What is color?'),
};

//object links

var person = {
    name: prompt('What is you name?'),
    surname: prompt("What is you surname?"),
    married: confirm('Are you married?'),
    smartphone: {
        owner: person
    },
    laptop: {
        owner: person
    }
}

//imperative array fill 3

let th = []
th[1] = prompt();
th[2] = prompt();
th[0] = prompt()

//while confirm

let qw = "";
while (qw !== true) {
    qw = confirm('?')
}

//array fill
let mass = [];
let qu = ""
while ( qu !== null) {
    qu = prompt('Чего д0бавить?')
    mass.push(qu)
}

//array fill nopush
let mass1 = [], i=0 ;
let qu1 = ""
while ( qu1 != null) {
    qu1 = prompt('Чего д0бавить?')
    mass1[i++] = qu1
    
}

//infinite probability

let numb = 0
while ( Math.random() < 0.9) {
    numb += 1
   
}
alert(numb)

//empty loop

let a = ''
while (a != prompt());


//progression sum
let aa = 0
for (i = 1; i < 100; i += 3){
    aa = aa + i
}

//chess one line
let q = ""
for (i = 0; i < 15; i++){
    if (i % 2 === 1) {
        q = q + " "
    } else {
        q = q + "#"
    }
    
}  

//numbers

/*let w = ""
for (let i = 0; i < 10; i++){
    w = w + "0123456789\n"
  
}
console.log(w) */

/*let r = ""
for (let i = 0; i < 10; i++){
    r = r + "\n" 
    for (let q = 0; q < 1; q++) {
        r = r + 0
        for (let w = 0; w < 1; w++) {
            r = r + 1
            for (let e = 0; e < 1; e++) {
                r = r + 2
                for (let e = 0; e < 1; e++) {
                    r = r + 3 
                        for (let e = 0; e < 1; e++) {
                            r = r + 4
                            {
                                for (let e = 0; e < 1; e++) {
                                    r = r + 5 
                                    {
                                        for (let e = 0; e < 1; e++) {
                                            r = r + 6
                                            {
                                                for (let e = 0; e < 1; e++) {
                                                    r = r + 7
                                                    {
                                                        for (let e = 0; e < 1; e++) {
                                                            r = r + 8 
                                                            {
                                                                for (let e = 0; e < 1; e++) {
                                                                r = r + 9
                                                        }
                                                            }
                                                        }
                                                
                                                    }
             }       }           }       }   }
                            }
                
                        }
                
                    }
                
            }
        }
    }
}
console.log(r)

*/
str = ""
for (let i = 0; i < 10; i++){
    str = str + '\n'
    for (let j = 0; j < 10; j++){
        str = str + j
    }
}
console.log(str)


//chess (не понял как слелать через 2 цикла чтобы была либо точка либо решетка и добавил +1 цикл в главный)

let chess = ""
for (let i = 0; i < 5; i++){
    
    chess += '\n'
       
    for (let j = 0; j < 12; j++){
        if ( j % 2 === 1 ) {
            chess += "."
        } else {
            chess += "#"
        }
        
        
    }

    chess += '\n'
    for (let j = 0; j < 12; j++){
        if ( j % 2 === 1 ) {
            chess += "#"
        } else {
            chess += "."
        }
        
        
    }


} 
alert(chess)

// cubes

let mass11 = []  
for (let i = 0; i < 15; i++){

    mass11.push(i ** 3)
    
}
console.log(mass11[i])

//multiply table