var l=document.querySelector(".l");
var n=document.querySelector(".n");
var us=document.querySelector(".us");
var s=document.querySelector(".s");
var buttonCalc=document.querySelector(".buttoncalc");
var buttonClear=document.querySelector(".buttonclear");
var alert=document.querySelector(".alert");
var ta=document.querySelector(".ta");
buttonCalc.addEventListener("click",showResult);
buttonClear.addEventListener("click",clear);
function showResult(){
var pasLength=0;
var pasQuantitet=0;
var argument="";
var pas="";
var multiPas="";
if (isNullInField(l.value)){
alert.textContent="enter the length of the password";
alert.style.color="red";
l.focus();
return;
}
if (isNullInField(n.value)){
alert.textContent="enter the number of passwords";
alert.style.color="red";
n.focus();
return;
}
pasLength=Number(l.value);
pasQuantitet=Number(n.value);
if(pasLength<1||pasLength>1000){
alert.textContent="The password must be between 1 and 1000 characters in length";
alert.style.color="red";
l.focus();
return;
}
if(pasQuantitet<1||pasQuantitet>100){
alert.textContent="The number of passwords must be from 1 to 100";
alert.style.color="red";
n.focus();
return;
}
alert.textContent="";
if(isNullInField(us.value)){
argument=combinations(s.selectedIndex);
}else{
argument=us.value;
}
for(var i=0;i<pasQuantitet;i++){
pas=passwordCreator(argument,pasLength);
if(pas===""){
alert.textContent="Remove all spaces!";
alert.style.color="red";
us.focus();
return;
}else{
alert.textContent="";
}
multiPas+=pas+"\n";
}
ta.textContent=multiPas;
}
function passwordCreator(s,q){
var str="";
var masSymbols=[];
masSymbols=s.split("");
for (var i=0;i<s.length;i++){
if (masSymbols[i]===" "){
return "";
}
}
for (var i=0;i<q;i++){
str+=masSymbols[Math.floor(Math.random() * s.length)]+"";
}
return str;
}
function combinations(m){
var str;
switch (m){
case 0:
str="abcdefghijklmnopqrstuvwxyz";
break;
case 1:
str="0123456789";
break;
case 2:
str="abcdefghijklmnopqrstuvwxyz0123456789";
break;
default :
break;
}
return str;
}
function clear(){
