Posts by Wesley Pimentel • 21 points

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  A: Why does my CNPJ validation pass this invalid value?

  Just adding a bit of improvement to the @Lollipop response, just below the explanation: function validarCNPJ(cnpj) { if(cnpj == '' || cnpj == undefined || cnpj == null) { return false; } if…

  javascript validation

  answered 8 years, 7 months ago Wesley Pimentel 21