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Allow Numbers Only Field

R5 - Web Applications

Allow Numbers Only Field

by  NiteLink  Posted    (Edited  )
The following is placed in the onChange:

Code: 
var f = document.forms[0]

var v = f.GPNo.value
for ( i=0; i<v.length; i++) {
if ( ( v.charCodeAt(i)<48 || v.charCodeAt(i)>57 ) && v.charCodeAt(i) !== 44 ) {
alert ( "Gate Pass must be numeric." )
f.GPNo.value = "";
f.GPNo.focus()
return false
}
}
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