i am making a purchase sheet in html ,it contain names of
product(by selecting checkboxes),quantity(textbox) and
price(checbox), by using java script i am restricting the
user to prevent them to enter the wrong data ,so i made the
servlet were i am only able to prevent them to enter the
page in empty field , so my doubt is how do you prevent them
how to enter non numerical data in quantity field
Answers were Sorted based on User's Feedback
Answer / vijay
this below code is implemented to avoid special-char in a text field...do some change's to avoid char....
!(/^[A-zÑñ0-9-\s]*$/i).test(f.value)?f.value = f.value.replace(/[^A-zÑñ0-9-\s]/ig,''):null;
keep mailing...
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| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / shivkumar
use isNumber() function to check whether entered data is non-
numerical ??
if it is then give an error
| Is This Answer Correct ? | 2 Yes | 1 No |
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<html> <head> <title>BASIC CALCULATOR</title> </head> <script language= "javascript"> function= setValue(){ var a_term1 </script> <body> <center> <table> <tr> <td><input type="text" id="text box1" style="width:50px"> </td> <td><input type="text" id="text box2" style="width:40px"> </td> <td><input type="text" id="text box3" style="width:50px"> </td> </tr> </table> <table> <tr> <td><input type="text" id="text box4" ></td> </tr> </table> <table> <tr> <td><input type= "button" value= "7" onClick="" ></td> <td><input type= "button" value= "8" onClick="" ></td> <td><input type= "button" value= "9" onClick="" ></td> <td><input type= "button" value= "/" onClick="" ></td> </tr> <td><input type= "button" value= "4" onClick="" ></td> <td><input type= "button" value= "5" onClick="" ></td> <td><input type= "button" value= "6" onClick="" ></td> <td><input type= "button" value= "*" onClick="" ></td> </tr> <td><input type= "button" value= "1" onClick="" ></td> <td><input type= "button" value= "2" onClick="" ></td> <td><input type= "button" value= "3" onClick="" ></td> <td><input type= "button" value= "-" onClick="" ></td> </tr> <td><input type= "button" value= "0" onClick="" ></td> <td><input type= "button" value= "C" onClick="" ></td> <td><input type= "button" value= "=" onClick="" ></td> <td><input type= "button" value= "+" OnClick="" ></td> </table> </center> </body> <hr/> </html> how do i make the calculator work now
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