Hide Next button in n seconds: Difference between revisions
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== Challenge == | == Challenge == | ||
In order to not allow respondent click on the Next button in a period of time | In order to not allow respondent click on the Next button in a period of time | ||
As a questionnaire creator | |||
I want to hide the Next button in some seconds | |||
== Example == | |||
[[Image:HideNextButton1.jpg]] | |||
<br> | |||
[[Image:HideNextButton2.jpg]] | |||
== Solution == | == Solution == | ||
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*If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again. | *If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again. | ||
[[Image:HideNextButton Code.jpg]] | |||
== Code == | == Code == | ||
<source lang="javascript"> | <source lang="javascript"> | ||
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} | } | ||
</source> | </source> | ||
== Source == | |||
Questionnaire Resource Id on cg site: 159730 | |||
Latest revision as of 04:58, 2 February 2012
Challenge
In order to not allow respondent click on the Next button in a period of time
As a questionnaire creator
I want to hide the Next button in some seconds
Example
Solution
- In questionnaire template editor, choose the question I want to hide the Next button and then go to the Properties - Edit question properties - Language dependent - Select javascript property
- Override quest.onInit function.
- In that function, check if the Next button exists.
- If it doesn't exist, do nothing, else disable the Next button, set the time out to number of seconds I want to hide the button, then show the button again.
Code
quest.onInit = function()
{
var secsTimeout = 10;
if ( !document.getElementsByName('next') || document.getElementsByName('next').length == 0 )
// next button not available
return;
document.getElementsByName('next')[0].style.display='none';
setTimeout("document.getElementsByName('next')[0].style.display='';", secsTimeout*1000);
}
Source
Questionnaire Resource Id on cg site: 159730