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 the page …

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 one (that's what …

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

89 document.getElementById() only supports one name at a time and only returns a single node not an array of nodes. You have several different options: You could implement your own function that takes …

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.

Jul 19, 2012 · There are various methods to get an input textbox value directly (without wrapping the input element inside a form element): Method 1 document.getElementById('textbox_id').value to get …

How to make a document.getElementById value into an integer variable, not a string? Asked 12 years, 11 months ago Modified 9 years, 2 months ago Viewed 99k times

I need a way to find this element by ID, similar to document.getElementById(), but instead of using a general ID, I want to search for the element using my custom "tokenid" attribute.

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 in terms of …

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) returns a …