Find if variable is divisible by 2

Question

How do I figure out if a variable is divisible by 2  Furthermore I need do a function if it is and do a different function if it is not

User · Answer

Use Modulus  but   The above accepted answer is slightly inaccurate  I believe because x is a Number type in JavaScript that the operator should be a double assignment instead of a triple assignment  like so    x   2    0   Remember to declare your variables too  so obviously that line couldn t be written standalone   -  Usually used as an if statement  Hope this helps

User · Answer

Use modulus      Will evaluate to true if the variable is divisible by 2 variable   2     0

User · Answer

var x   2  x   2   oddFunction     evenFunction

User · Answer

Seriously  there s no jQuery plugin for odd even checks   Well  not anymore - releasing  Oven  a jQuery plugin under the MIT license to test if a given number is Odd Even    Source code is also available at http   jsfiddle net 7HQNG   Test-suites are available at http   jsfiddle net zeuRV    function                   isEven n          args number n         return boolean returns whether the given number is even             jQuery isEven   function number            return number   2    0                 isOdd n          args number n         return boolean returns whether the given number is odd             jQuery isOdd   function number            return  jQuery isEven number

User · Answer

You can use the modulus operator like this  no need for jQuery  Just replace the alerts with your code   var x   2  if  x   2    0      alert  even      else     alert  odd

User · Answer

You can also   if  x  amp  1   itsOdd    else  itsEven

User · Answer

Please write the following code in your console    var isEven   function deep       if  deep   2     0            return true              else           return false               isEven 44     Please Note  It will return true  if the entered number is even otherwise false

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You can do it in a better way  up to 50   faster than modulo operator    odd   x  amp  1  even    x  amp  1    Reference  High Performance JavaScript  8  - Bitwise Operators

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array    1  2  3  4  5  6  7  8  9  10   array each    x  puts x if x   2    0      ruby  D  2 4 6 8 10

User · Answer

Hope this helps   let number   7   if number 2    0              do something    console log  number is Even        else       do otherwise    console log  number is Odd         Here is a complete function that will log to the console the parity of your input   const checkNumber    x    gt      if number 2    0                do something      console log  number is Even          else         do otherwise      console log  number is Odd

User · Answer

if  x  amp  1   itIsOddNumber    else  itIsEvenNumber

User · Answer

You don t need jQuery  Just use JavaScript s Modulo operator

[javascript] Find if variable is divisible by 2

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