Question

149

rated 0 times [ 151] [ 2] / answers: 1 / hits: 190179 / 13 Years ago, wed, october 19, 2011, 12:00:00

 document.getElementById('frmMain').elements

can i use like this

document.getElementByName('frmMain').elements

or

document.getElementBytag('table').elements`

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answered 13 Years ago emilianoc · Accepted Answer

document.getElementById('frmMain').elements

assumes the form has an ID and that the ID is unique as IDs should be. Although it also accesses a name attribute in IE, please add ID to the element if you want to use getElementById

document.getElementsByName('frmMain')[0].elements

will get the elements of the first object named frmMain on the page - notice the plural getElements - it will return a collection.

document.getElementsByTagName('form')[0].elements

will get the elements of the first form on the page based on the tag - again notice the plural getElements

A great alternative is

document.querySelector(form).elements

will get the elements of the first form on the page. The form is a valid CSS selector

document.querySelectorAll(form)[0].elements

notice the All - it is a collection. The [0] will get the elements of the first form on the page. The form is a valid CSS selector

In all of the above, the .elements can be replaced by for example .querySelectorAll([type=text]) to get all text elements