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 …

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 bind an …

Apr 28, 2013 · var start = document.getElementById('startText').value || document.getElementById('start').value; As if the input is empty, Javascript uses the value from the …

var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0]; getElementById only returns one node, but getElementsByClassName returns a node list. Since there is only one …

Aug 18, 2015 · javascriptに詳しい方ぜひ教えていただきたいですが、下記のコードを個別指定ではなく、一つに統合するのにどう書けばよろしいでしょうか。 具体的にいうとgetElementByIdで各IDを …

Javascript getElementById based on a partial string Asked 14 years, 6 months ago Modified 2 years, 3 months ago Viewed 180k times

Jul 6, 2009 · Learn how to retrieve the selected value from a dropdown list using JavaScript.

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 …

Nov 11, 2014 · Syntax element = document.getElementById (id); where element is a reference to an Element object, or null if an element with the specified ID is not in the document.

Jan 11, 2017 · Alguem me pode dar uma boa explicação sobre document.getElementById ... Estou a ler/aprender JSON e estou com algumas dúvidas relacionado com a função !