калькулятор 1

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var btn = document.querySelector(‘#btn’),
out = document.querySelector(‘#out’),
weight = document.querySelector(‘#weight’),
vol = document.querySelector(‘#vol’),
load = document.querySelector(‘#load’),
del = document.querySelector(‘#del’),
frag = document.querySelector(‘#frag’),
range = document.querySelector(‘#range’),
rasstoyanie = document.querySelector(‘.rasstoyanie’).innerHTML = 500;
weight = document.querySelector(‘#weight’),
vol = document.querySelector(‘#vol’),
kg = 5.5,
kub = 3500,
km = 2;
// range slider
range.onchange = function(){
var rasstoyanie = document.querySelector(‘.rasstoyanie’).innerHTML = range.value;
}
// Basic function
btn.onclick = function(){
if (weight.value != » && vol.value != ») {
if (load.checked){
load.value = 1500; }
else
{
load.value = 0;
}
if (del.checked){
del.value = 3500; }
else
{
del.value = 0;
}
if (frag.checked){
frag.value = 2000; }
else
{
frag.value = 0;
}

var sum = (weight.value * kg) + (vol.value * kub) + Number(load.value) + + Number(del.value) + Number(frag.value) + (range.value * km);
out.innerHTML = sum;
}else{
alert(‘Введите вес и объем груза’);
}
}