How to check class name using javascript?? I am using this statement.. if (document.getElementByClass("expandable")
but it give me error.. "Object doesn't support this property or method"
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1doubled question stackoverflow.com/questions/1422629/…Anatoly– Anatoly2011-08-05 08:59:32 +00:00Commented Aug 5, 2011 at 8:59
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if you want to check class name of some element - document.getElementById('myid').className. What you are trying to do is get elements that have some class as it seems to me...Gatekeeper– Gatekeeper2011-08-05 09:04:26 +00:00Commented Aug 5, 2011 at 9:04
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possible duplicate of Get All Elements in an HTML document with a specific CSS ClassFelix Kling– Felix Kling2011-08-05 10:43:55 +00:00Commented Aug 5, 2011 at 10:43
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4 Answers
Because you just made that method up!
You want document.getElementsByClassName: https://developer.mozilla.org/en/DOM/document.getElementsByClassName
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troelskn
Note that this method is relatively new, and thus not supported on older browsers.
There is no function document.getElementByClass. Either check for the property .className of potential objects, or use a higher level framework which implements this (Such as jquery). This is the syntax with jquery:
$(".expandable")
Comments
Via pure javascript:
You can use the getElementsByClassName from this question
With jQuery, this is lot more simple, use the class selector:
$(".className)
Comments
There is no function like
getElementByClass.You have to use
document.getElementsByClassName; it will return an array so you have to use loop to get values.
But MSIE will not support this function so you have to check your class name like:
((document.getElementsByTagName("div"))[i].className)=="yourclassname"
