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 …

Oct 29, 2013 · 6 You're correct in that the document.getElementById("demo") call gets you the element by the specified ID. But you have to look at the rest of the statement to figure out what exactly the …

How to make a document.getElementById value into an integer variable, not a string? Asked 13 years ago Modified 9 years, 3 months ago Viewed 99k times

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 …

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. It collects an array of elements that …

Javascript getElementById based on a partial string Asked 14 years, 4 months ago Modified 2 years, 2 months ago Viewed 179k times

Oct 28, 2015 · 3 Any function or variable you access without an owning object (ex: document.getElementById) will access the property from window. So getElementById is actually …

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. Kindly …

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 …