Question

66

Difference between this.form and document.forms

rated 0 times [ 70] [ 4] / answers: 1 / hits: 27968 / 12 Years ago, thu, june 14, 2012, 12:00:00

Is there a difference between this.form and document.forms (document[forms]) or, are they similar?

Here is the code I wrote to test the difference.

<form name=myForm id=myForm>

<input type=text name=haha id=myForm value=laughable onclick=alert(this.form.haha.value) />

</form>



alert(document.forms.myForm.haha.value);

They both result in the same thing.

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answered 12 Years ago emileef · Accepted Answer

this.form will give you the form of the form element. (this is the form element)

The containing form element, if this element is in a form.

document.forms will give you all the forms in the document (if it's supported!)

forms returns a collection (an HTMLCollection ) of the form elements within the current document.

Better use document.getElementById(id)

var form = document.getElementById(formId);