89 lines
2.0 KiB
JavaScript
89 lines
2.0 KiB
JavaScript
var n1='0';
|
|
var tp='';
|
|
var n2='0';
|
|
var sol='0';
|
|
var out='0';
|
|
var allow=true;
|
|
function calc() {
|
|
out+='=';
|
|
document.getElementById('prompt').innerHTML=out;
|
|
var number1=n1;
|
|
var oper=tp;
|
|
var number2=n2;
|
|
$.ajax({
|
|
url: "calc.php",
|
|
type: "GET",
|
|
data: {'number1': number1, 'oper': oper, 'number2': number2},
|
|
dataType: "json",
|
|
success: function(response) {
|
|
if (response.rcode=="0") {
|
|
alert(response.result)
|
|
clr()
|
|
} else {
|
|
sol=response.result.toString()
|
|
if ((out+sol).length>14) {
|
|
if (sol.includes('.')) {sol=sol.substr(0,Math.max(14-out.length,sol.indexOf('.')+2));
|
|
} else {
|
|
alert('Too large number to display!');
|
|
clr()
|
|
return;
|
|
}
|
|
}
|
|
out+=sol;
|
|
document.getElementById('prompt').innerHTML=out;
|
|
allow=false;
|
|
n1='0';
|
|
tp='';
|
|
n2='0';
|
|
}
|
|
}
|
|
});
|
|
}
|
|
function numb(num) {
|
|
if (num=='.') {
|
|
if (out[out.length-1]=='.') {return}
|
|
if (tp=='') {n1+='.';} else {n2+='.';}
|
|
out+='.';
|
|
document.getElementById('prompt').innerHTML=out;
|
|
} else if (n1=='0' && (tp=='')) {
|
|
if (!allow) {clr();}
|
|
n1=num;
|
|
out=String(n1);
|
|
document.getElementById('prompt').innerHTML=out;
|
|
} else if ((n1!='0') && (tp=='')) {
|
|
n1+=num;
|
|
out=String(n1);
|
|
document.getElementById('prompt').innerHTML=out;
|
|
} else if (n2=='0' && tp!='') {
|
|
n2=num;
|
|
out=String(n1)+tp+String(n2);
|
|
document.getElementById('prompt').innerHTML=out;
|
|
} else if (n2!='0' && tp!='') {
|
|
n2+=num;
|
|
out=String(n1)+tp+String(n2);
|
|
document.getElementById('prompt').innerHTML=out;
|
|
}
|
|
}
|
|
function oper(op) {
|
|
if (tp!='') {alert('За раз можно использовать только одну операцию!');return;}
|
|
if (!allow) {
|
|
n1=Number(sol);
|
|
out=sol;
|
|
allow=true;
|
|
}
|
|
// if (n1=='0' && n2=='0' && tp=='' && Number(document.getElementById('prompt').value)>0) {
|
|
// n1=document.getElementById('prompt').innerHTML
|
|
// }
|
|
tp=op;
|
|
out+=tp;
|
|
document.getElementById('prompt').innerHTML=out;
|
|
}
|
|
function clr() {
|
|
n1='0';
|
|
tp='';
|
|
n2='0';
|
|
sol='0';
|
|
out='0';
|
|
allow=true;
|
|
numb(0);
|
|
} |