var s = document.getElementById('This-is-the-real-id'); s.value = 'New value' How can I fix this? The element for which I am setting the value is a hidden field and the id is set dynamically, as …

Javascript getElementById based on a partial string Asked 14 years, 5 months ago Modified 2 years, 3 months ago Viewed 179k times

getElementById only returns one node, but getElementsByClassName returns a node list. Since there is only one element with that class name (as far as I can tell), you can just get the first …

How to make a document.getElementById value into an integer variable, not a string? Asked 13 years, 1 month ago Modified 9 years, 4 months ago Viewed 99k times

I have heard that querySelector and querySelectorAll are new methods to select DOM elements. How do they compare to the older methods, getElementById and getElementsByClassName …

The getElementById method can access only one element at a time, and that is the element with the ID that you specified. The getElementsByName method is different.

Mar 28, 2012 · I have created an object at runtime by using innerHTML tag, now I want to access this element by using getElementById, when I accessed the element its return NULL value. …

What are the possible reasons for document.getElementById, $("#id") or any other DOM method / jQuery selector not finding the elements? Example problems include: jQuery silently failing to …

May 18, 2017 · Or rather, calling GetElementByID automatically returns an array when there are multiple elements with the same ID in IE, Chrome, Safari and Opera BUT not FireFox.

getElementById returns either a reference to an element with an id matching the argument, or null if no such element exists in the document. getElementsByName () (note the plural Elements) …