Java Script id recognisation

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Hi ,
What is exact difference between document.elementid(suppose textbox).value and form.textbox.value?
Both are recognise value of textbox.

Shall you help me to this problem ?

Posted 23-May-11 1:46am

babuatcha123

Updated 23-May-11 2:26am

^That's Aragon

v2

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^That's Aragon 23-May-11 8:28am

Edited for grammar and readability.

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thatraja · Answer 1 · 2011-05-23T05:11:00

Solution 3

Read this

document.getElementByID vs document.forms[0][^]

Posted 23-May-11 5:11am

thatraja

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Sergey Alexandrovich Kryukov 23-May-11 12:00pm

Nice, my 5.
--SA

Mahendra.p25 · Answer 2 · 2011-05-23T01:56:00

document.getElementById() is the recommended way to get reference of elements in your web page. This is easier to use and also would not require any changes if you decide to change something else like the Form name (or Id) etc.
However, as it traverses the entire DOM tree, it is usually slower (not noticeable) than the document.forms notation of referencing objects.

document.forms is harder to use in the sense that you need you to know properly the entire path to the object beginning from the document element. But on the other hand it is comparatively faster (not noticeable)./pre>