I have a string in a loop and for every loop, it is filled with texts the looks like this:  "123 hello everybody 4" "4567 stuff is fun 67" "12368 more stuff"   I only want to retrieve the first numbers up to the text in the st...
I would like a javascript function that mimics the python .format() function that works like  .format(*args, **kwargs)   A previous question gives a possible (but not complete) solution for '.format(*args)  JavaScript equivalent to printf/string....
I'm using this function to phone mask and works almost perfectly.  function mask(o, f)  {      v_obj = o;      v_fun = f;      setTimeout("execmask()", 1)  };  function execmask()  {      v_obj.value = v_fun(v_obj.value)  };  function mph...
I have tried to sort the number with jQuery Datatables plug-in but is not working with C# string number formats.  I have tried:  decimal value= 12345678.00 value..ToString("#,##.00"); value.ToString("##,##.##"); value.ToString("0,...
I want to use a statically defined template for URL building.   I'm trying to use ES6 string interpolation feature for this  var template = "http://example.com/?name=${name}&age=${age}";  var name = "John"; var age = "30&#...
I have a function to add commas to numbers:  function commafy( num ) {   num.toString().replace( /\B(?=(?:\d{3})+)$/g, "," ); }   Unfortunately, it doesn't like decimals very well. Given the following usage examples, what is the best way...
Let's say I have a    format string "XXX - XXX - XXXX" (to format a phone number), or any other format string in which X stands for a number I want to preserve the formatting in the format string (spacing, dashes etc.), but exchange each...
How does javascript convert numbers to strings? I expect it to round the number to some precision but it doesn't look like this is the case. I did the following tests:  > 0.1 + 0.2 0.30000000000000004 > (0.1 + 0.2).toFixed(20) '0.300000...
I took the following function from this site and plugged it into my code to display a user-friendly time string based on a millisecond argument.  Why does this function not work?      function getTimeFromMillis(millis)     {          milliSecs = mill...
I want to truncate numbers (given as strings) to a fixed number of decimal places. The numbers can be negative (with a minus sign), positive (no sign). I'd prefer to round the numbers properly and keep trailing zeroes. I want the same number of d...

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