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calculadora.js
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calculadora.js
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var input = document.getElementById("visor");
let operator = 0;
function add(input) {
visor.value = visor.value + input;
}
function invert(){
visor.value = visor.value * -1;
}
function percertage(){
visor.value = visor.value / 100;
}
function clearall() {
visor.value = "";
}
function equal() {
num2 = visor.value;
switch (operator){
case(1):{
console.log(' '+num1+ '+' +num2);
result = Number(num1) + Number(num2);
visor.value = result;
break;
}
case(2):{
result = num1 - num2;
console.log(' '+num1+ '-' +num2);
visor.value = result;
break;
}
case(3):{
result = num1 * num2;
console.log(' '+num1+ '*' +num2);
visor.value = result;
break;
}
case(4):{
result = num1 / num2;
console.log(' '+num1+ '/' +num2);
visor.value = result;
break;
}
default:{
console.log('Não encontrei nenhuma opcao');
break;
}
}
zeroOperator();
}
function zeroOperator(){
operator = 0;
}
function plus(){
num1 = visor.value;
operator = 1;
clearall();
}
function minus(){
num1 = visor.value;
operator = 2;
clearall();
}
function multiply(){
num1 = visor.value;
operator = 3;
clearall();
}
function division(){
num1 = visor.value;
operator = 4;
clearall();
}
function comma(){
visor.value = visor.value + ".";
}