Why casting from string to float using parseFloat dosn't give the correct result

Question

I'm trying to cast a value from string to decimal but it doesn't give me the correct value this my code :

  operation['montant'] =  "12 000,00" ;
    var value = parseFloat((operation['montant']).replace(",", "."));
    alert(value);

alert(value) give me only 12

Can someone help me thank you in advance

The space character terminates the number at that point. Consult the docs: parseFloat "...If it encounters a character other than a sign (+ or -), numeral (0-9), a decimal point, or an exponent, it returns the value up to that point and ignores that character and all succeeding characters. Leading and trailing spaces are allowed." — user1106925
– user1106925, Commented Apr 28, 2017 at 16:09

Kyle Becker · Accepted Answer · 2017-04-28 16:52:34Z

2

operation['montant'] =  "12 000,00" ;
    var value = parseFloat((operation['montant']).replace(",", ".").replace(" ", ""));
    alert(value);

This will replace spaces with, well, nothing. JS's parse float stops trying to parse something at a white space, so you were only getting 12. Hope this works for you.

answered Apr 28, 2017 at 16:52

Kyle Becker

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