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...
Why does JavaScript evaluate plus with a string and integers differently depending on the place of the string?  An example:  console.log("1" + 2 + 3); console.log(2 + 5 + "8");   The first line prints 123 and the second prints 78....
MY code is:  function isNumber(n){ return typeof n == 'number' && !isNaN(n); }  window.onload=function(){ var a=0,b=1,c=2.2,d=-3,e=-4.4,f=10/3; var shouldBeTrue=[a,b,c,d,e,f];  var aa="0",bb="1",cc="2.2",dd=...
Using Javascript:  How I can convert one number integer to Double Number Example:  100 -> 100.00...
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'm trying to convert my date string into an array.  Date string: var date = "2017,03,23";  Desired result: [2017,03,23]    Here is what I tried:  var new_date = date.split(','); // result: ["2017", "03", "23&#...
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...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.