I know that  parseInt(myString, 10) // "Never forget the radix"     will return a number if the first characters in the string are numerical, but how can I do this in JavaScript if I have a string like "column5" and want to increment...

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I am trying to pull a number (72157648141531978), which starts at the 21st character, out of the title of a page like so:    parseInt(document.title.substring(21), 10);     This returns the string as an integer of 72157648141531980. I can't seem...

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Consider the following:  parseInt(new Array(), 10); // -> NaN parseInt(new Array(), 16); // -> NaN  parseInt(new Error(), 10); // -> NaN parseInt(new Error(), 16); // -> 14   It seems this behavior is unique to Error/instances of Error....

today I stumbled on a strange (in my opinion) case in JavaScript. I passed a non-hexadecimal string to the parseInt function with the base of 16 and...I got the result. I would expect the function to throw some kind of exception or at least return Na...

I have the following code:     $(function() {     var $form = $("#pollAnswers"),         $radioOptions = $form.find("input[type='radio']"),         $existingDataWrapper = $(".web-app-item-data"),         $webAppItemNam...

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I'm building an app that displays the weather and converts the current temp from Fahrenheit to Celsius. For some reason, when the conversion takes place, the math isn't coming out right. Oddly, after clicking the button 5 - 6 times, it starts...

Is there a straightforward way to parse a string to either integer or float if I don't know if the variable is integer-number-like or decimal-number-like?  a = '2'; // => parse to integer b = '2.1'; // => parse to float c =...