What is the difference between  a *= 1;   and  a = +a;   in JavaScript?  Both convert a string to number (int or float). They behave differently from parseInt and parseFloat. But is there any difference between these two lines?...
I m trying to solve https://www.spoj.com/problems/FIBOSUM/ problem.  MOD = 1000000007;  function copy(a, b) {     a[0][0] = b[0][0];     a[0][1] = b[0][1];     a[1][0] = b[1][0];     a[1][1] = b[1][1];  }  function multiply(fib, base) {     let mat =...
Console debug shows me that array is ex. ["2"], but I need [2].  Why casting doesnt'work?  function filterElements(deals) {      var result = deals,         categories= $('#deals-categories').data('current_category');...
After several test and search, I can't find a way to navigate after parsing a JSON; here is the post-parsing result :       Object {documentation: "https://geocoder.opencagedata.com/api", licenses: Array[2], rate: Object, results: Array[1...
I have a function in my script and the first parameter is an int value.  thisIsMyFunction(4,"foo");   I would like to create an array with that int value, so in this case, it should create an array with 4 items in it, like so:  var intArray =...
Ok I have the following "script":  var text = '24 - 08'; var value = text.split(" - ");   var result = 24 - value[0]; result = result + value[1]; alert(result);   http://jsbin.com/amusaw/edit#javascript,html  So the result of...
I have a Java applet that has an int array. I want to copy this array over to a JavaScript array. Simply calling a Java function from JavaScript that returns this array results in null exception and accessing the array element by element from JavaScr...
https://www.hackerrank.com/contests/projecteuler/challenges/euler001  Here is the problem I'm confused what the parseInt readline statement  and also the the var n statement mainly..   when i run my code it seems to count up to ten twice probably...
Most recent versions of Chrome, Firefox and Node have support to BigInt https://v8.dev/blog/bigint.  I read about it but I can't understand, is this just a normal 64-bit integer? I know that JavaScript doesn't have any Decimal type like C# or...

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