Check whether user enter specific character on TextBox KeyPress event using jQuery

Question

Dear siri have a textbox when user type in textbox 123 show alert message Kindly use Q firstly else if user type Q123 alert message kindly continue your activitiesi used below code but its not get proper value ltscript type34textjavascript34gt    function GetcharCodeevt         var charCode        iftypeofevtcharCode  34Q34                    keyCode  evtcharCode                alert34kindly continue your activities34        else if

dharmendr · Accepted Answer

Hi rajeeshCheck the below codeHTMLlthtml xmlns34httpwwww3org1999xhtml34gtltheadgt    lttitlegtlttitlegtltheadgtltbodygt    ltdivgt        lth3gtUsing KeyUplth3gt        ltscript type34textjavascript34gt            function CheckValueOnKeyUpele                 if elevalueindexOf34Q34  0 ampamp elevalue  3939                     alert34Kindly use Q as first letter34                                    ltscriptgt        ltinput type34text34 onkeyup34CheckValueOnKeyUpthis34 gt        ltbr gt        lthr gt        lth3gtUsing Blurlth3gt        ltscript type34textjavascript34gt            function CheckValueOnBlurele                 if elevalueindexOf34Q34  0 ampamp elevalue  3939                     alert34Kindly use Q as first letter34                                    ltscriptgt

Check whether user enter specific character on TextBox KeyPress event using jQuery

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