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Editorial Team
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Asked: 2026-05-30T06:07:12+00:00

When I define a function in Yii view Yii::app()->clientScript->registerScript(‘jqeury5’, function fn(){ alert(‘hello’); } );

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When I define a function in Yii view 

 Yii::app()->clientScript->registerScript('jqeury5', 
   "function fn(){ alert('hello'); }"
 );

then try to call it, the Firebug says the “fn isn’t defined” when I press on button. 

<input type="button" value="Display alert box in 3 seconds"
onclick="fn()" />
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1 Answer

  1. Editorial Team

    Put the function in the <head> part, or <body> part of the html document that is generated. Use the third parameter of the registerScript() function.
    So your code will be:

    Yii::app()->clientScript->registerScript('jqeury5', "
    function fn(){
        alert('hello');
    }",CClientScript::POS_HEAD);

    For more details read the api documentation here.

    P.S: i think by default the script is inserted in jQuery’s ready function. Hence the function is not detected.

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