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- let a = 5;
- let b, c;
- console.log(b)
- b = a * 5;
- console.log(b)
- b = c = b / 2;
- console.log(b, c)
- //semicolon: error
- // b = a * c console.log(b)
- //semicolon: mistake
- //Number: age
- let age ,
- date = new Date().getFullYear();
-
- do {
- age = prompt('Enter your age', '');
- if (age !== '' && age ) {
-
- alert(`Год рождения: ${date - age}`);
- }
- } while (age == '' || age == null);
- //Number: temperature
- let tempCels = prompt('Enter tempereture', ''),
- tempFar = tempCels * 1.8 + 32;
- alert(`In fahrenheit: ${tempFar} `);
- //Number: divide
- let num1Input = document.querySelector('.num1'),
- num2Input = document.querySelector('.num2'),
- calculateBtn = document.querySelector('.btn'),
- outer = document.querySelector('.outer');
- calculateBtn.addEventListener('click', () => {
- let arg1 = +num1Input.value,
- arg2 = +num2Input.value;
- if (arg1 && arg2) {
- let res = arg1 / arg2;
- outer.textContent = `${Math.floor(res)}`;
- } else {
- outer.textContent = `Enter correct number`;
- }
- })
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