window.document.getElementById not working in the SharePoint 2010

recently i came across a problem with getElementById. I used this function in the master page in side a JavaScript but it returned an error. I don't know why it happened and still finding the cause. however i used a alternative method to archive this task.

var item = window.document.getElementsByName("tagName")[0];

This worked for me.

Comments

Unknown said…

I'm trying to do the same in an HTML form webpart. can you clarify what the '[0]' does?

I would try to use it in the following way

window.document.getElementByName("txtName").value;

Thanks

July 7, 2012 at 12:58 AM

b said…

@Wilmann Gomez,

Hi,

[0] getting the first element of the array. because getElementByName("txtName") returns array not a single element

July 8, 2012 at 12:18 AM

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