I always assumed that booleans were more efficient than ints at storing an on/off value - considering that's their reason for existence. I recently decided to check if this is true with the help of jsperf, and it came up with some contrary result...
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?...
What is the correct way to convert value of String variable to int/numeric variable? Why is bcInt still string and why does isNaN return true?  bc=localStorage.getItem('bc'); var bcInt=parseInt(bc,10); var bcInt2=1; console.log("bc-------...
What's the best way to perform the following conversions in JavaScript? I have currencies stored as floats that I want rounded and converted to integers.  1501.0099999999999909 -> 150101  12.00000000000001 -> 1200...
I have been trying to do a simple game where you try to get the right number as the random number. If you win, you get 1 point. But I wasn't able to give that point. Here is what i have done :  <html> <head>     <title>Luck Game...
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');...
I want convert an integer (signed) to 32 bit (big endian) into a octet stream and give the octet stream as a array value to the constructor of a Buffer Object.  I can create it in the console for example for the value -2000:  <code> buf = Buffe...
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...

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