DOCTYPE html html lang en head meta charset UTF-8 meta name viewport c

  • Anonymous
  • HTML
  • 24 Mar 2020 
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<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width,  initial-scale=1.0">

    <title>Document</title>

</head>

<body>

    <h4>Введіть перше число</h4>

   

    <input type="button" id="firstNumber" value="Почати" onclick="taskOne();">

   

    <script>

       

    

    function taskOne() {

    var a = prompt("Enter A(Must be positive)", 0);

    var b = prompt("Enter B(Must be positive)", 0);

    

    if((Math.sign(a) == 1) && (Math.sign(b) == 1)){

        alert("Numbers are positive!");

    }

    else if((Math.sign(a) == 1) && (Math.sign(b) == -1) ){

        alert("B is negative!");

        b = +prompt("Enter B again!(Must be positive)", 0);

    }

    else if((Math.sign(a) == -1) && (Math.sign(b) == 1)){

        alert("A is negative!");

        a = +prompt("Enter A again!(Must be positive)", 0);

    }

    else if((Math.sign(a) == -1) && (Math.sign(b) == -1)){

        alert("A and B are negative!");

        a = +prompt("Enter A again!(Must be positive)", 0);

        b = +prompt("Enter B again!(Must be positive)", 0);

    }

    let arr = [];

    var c = Math.trunc(a/b);

    var d = Math.min(a,b);

    for(let i = 0; i < d; i++){

        if(i%c == 0)

        {

            arr.push(i);

            i++;

        }

    }

        alert("Answer "+ arr );

    }



    </script>



        <br><br>

</body>

</html>
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