Here is the code that can generate a unique number in JavaScript.
function uniqueNumber() {
var date = Date.now();
if (date <= uniqueNumber.previous) {
date = ++uniqueNumber.previous;
} else {
uniqueNumber.previous = date;
}
return date;
}
uniqueNumber.previous = 0;
function ID(){
return uniqueNumber();
};
var date = Date.now();
if (date <= uniqueNumber.previous) {
date = ++uniqueNumber.previous;
} else {
uniqueNumber.previous = date;
}
return date;
}
uniqueNumber.previous = 0;
function ID(){
return uniqueNumber();
};
The ID()
function will return a unique number every time you call.