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Editorial Team
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Asked: 2026-06-05T10:54:58+00:00

Getting an error using indexOf call in Javascript on Firefox and Opera. Works fine

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Getting an error using indexOf call in Javascript on Firefox and Opera. Works fine in IE.

Following is the error message:

Action 

function anonymous(Grid, Row, Col, Event) { 
    return Grid.ActionShowPopupMenu(); 
}

for event OnRightClick failed with exception: row.id.indexOf is not a function

I’m testing that a string contains another string in Javascript and using the indexOf function of a string. The calls however are being made in JQuery functions. Perhaps that is the reason for the problem? Is there an alternative to using indexOf in Javascript to test if a string contains another string? Is there a workaround for this problem?

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1 Answer

  1. Editorial Team

    String.indexOf is perfectly OK in all browsers. I assume the id property of your row object is no string (nor array, btw, because indexOf is also defined on arrays (except for IE))

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