Difference between revisions of "Force number of characters"
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| − | == | + | == Force number of characters == |
| − | + | ||
| − | == | + | In order to force the respondent to write a certain number of characters in a text sub question. |
| − | <source lang="javascript" | + | |
| − | function | + | As a questionnaire creator |
| − | { | + | |
| − | document["query"][" | + | I want to force the respondent to write a zip code, or a phone number in a certain text field. |
| − | + | ||
| + | '''Example''' | ||
| + | |||
| + | [[Image:ValidateTextLength.JPG]] | ||
| + | |||
| + | === Solution === | ||
| + | |||
| + | *Add a Text grid question to Questionnaire editor like below | ||
| + | *Go to menu Properties -> Question scripts -> Java script tab -> Input script | ||
| + | |||
| + | [[Image:ForceNoOfCharacter Code.jpg]] | ||
| + | |||
| + | === Code === | ||
| + | |||
| + | <source lang="javascript"> | ||
| + | var normalQuestionCheck = questioncheck; | ||
| + | function extendedQuestionCheck() | ||
| + | { | ||
| + | var valid = normalQuestionCheck(); | ||
| + | if (valid) | ||
| + | { | ||
| + | // var_a hold the respondents answer. | ||
| + | var var_a; | ||
| + | // This is where the index of your sub question is defines. | ||
| + | // The code below is that we use sub question has index 0 | ||
| + | var_a = document["query"][quest.label + "." + 0].value; | ||
| + | if (var_a.length > 0) | ||
| + | { | ||
| + | if (var_a.length != 10) | ||
| + | { | ||
| + | alert('The field can only hold 10 characters.'); | ||
| + | return false; | ||
| + | } | ||
| + | } | ||
| + | } | ||
| + | if (!valid) | ||
| + | { | ||
| + | alert('Please correct your answer.'); | ||
| + | return false; | ||
| + | } | ||
| + | return true; | ||
} | } | ||
| − | + | questioncheck = extendedQuestionCheck; | |
| − | |||
</source> | </source> | ||
| + | |||
| + | === Source === | ||
| + | Questionnaire Resource Id on cg site: 159730 | ||
Latest revision as of 10:55, 12 January 2012
Force number of characters
In order to force the respondent to write a certain number of characters in a text sub question.
As a questionnaire creator
I want to force the respondent to write a zip code, or a phone number in a certain text field.
Example
Solution
- Add a Text grid question to Questionnaire editor like below
- Go to menu Properties -> Question scripts -> Java script tab -> Input script
Code
var normalQuestionCheck = questioncheck;
function extendedQuestionCheck()
{
var valid = normalQuestionCheck();
if (valid)
{
// var_a hold the respondents answer.
var var_a;
// This is where the index of your sub question is defines.
// The code below is that we use sub question has index 0
var_a = document["query"][quest.label + "." + 0].value;
if (var_a.length > 0)
{
if (var_a.length != 10)
{
alert('The field can only hold 10 characters.');
return false;
}
}
}
if (!valid)
{
alert('Please correct your answer.');
return false;
}
return true;
}
questioncheck = extendedQuestionCheck;
Source
Questionnaire Resource Id on cg site: 159730
