How to convert 1 to true or 0 to false upon model fetch

Question

I have a model that is set with a JSON response from a mysql database  The model data is set with true or false into a boolean tinyint field in the database  which uses 1 or 0    In my view  I have a binding that checks for a boolean with underscore s   isBoolean  Of course  when my model receives the data  it is set with 1 or 0 instead of true or false and the   isBoolean check fails   Is there anyway to either correctly have my JSON response from mysql be a boolean true or false value instead of 1 or 0  or preferably  is there a way to have my model update itself upon fetch  and before the view renders  to cast true or false based on it s 1 or 0 property   e g  my model s data looks like   isChecked   1   when I need it to be   isChecked  true   Thank you greatly for any suggestions you may have

User · Answer

Use a double not     1   true     0   false   obj isChecked     parseInt obj isChecked

User · Answer

Here s another option that s longer but may be more readable   Boolean Number  0        false Boolean Number  1        true

User · Answer

Assigning Comparison to property value JavaScript You could assign the comparison of the property to  quot 1 quot  obj  quot isChecked quot      obj  quot isChecked quot      quot 1 quot     This only evaluates for a String value of  quot 1 quot  though  Other variables evaulate to false like an actual typeof number would be false   i e  obj  quot isChecked quot   1  If you wanted to be indiscrimate about  quot 1 quot  or 1  you could use  obj  quot isChecked quot      obj  quot isChecked quot     quot 1 quot     Example Outputs console log obj  quot isChecked quot      quot 1 quot       true console log obj  quot isChecked quot     1      false console log obj  quot isChecked quot    1      true console log obj  quot isChecked quot      quot 0 quot       false console log obj  quot isChecked quot      quot Elephant quot       false  PHP Same concept in PHP  obj  quot isChecked quot       obj  quot isChecked quot       quot 1 quot     The same operator limitations as stated above for JavaScript apply  Double Not The  double not  also works  It s confusing when people first read it but it works in both languages for integer number type values  It however does not work in JavaScript for string type values as they always evaluate to true  JavaScript    quot 1 quot     true    quot 0 quot     true   1    true   0    false   parseInt  quot 0 quot  10      false  PHP echo    quot 1 quot     true echo    quot 0 quot     false echo   1    true echo   0    false

User · Answer

Boolean Number myVar    or    myVar

User · Answer

All you need is convert string to int with   and convert the result to boolean with      var response     isChecked   1    response isChecked      response isChecked   You can do this manipulation in the parse method   parse  function  response      response isChecked      response isChecked    return response      UPDATE  7 years later  I find Number string  conversion more elegant  Also mutating an object is not the best idea  That being said   parse  function  response      return Object assign     response        isChecked    Number response isChecked      OR     isChecked  Boolean Number response isChecked

[javascript] How to convert 1 to true or 0 to false upon model fetch

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