I am trying to add to all <object>'s on a page a snippet of html. I understand I can access elements by tag name and that I can change the element, but can I simple append to it instead?
In addition, I want to add it to the contents of each tag, not the end of the document. Which of these methods will work?
Assuming no library...
var elementToAppend = document.createElement(tagName); // Your tag name here
// Set attributes and properties on elementToAppend here with
// elementToAppend.attribute = value (eg elementToAppend.id = "some_id")
// You can then append child text and elements with DOM methods
// (createElement or createTextNode with appendChild)
// or with innerHTML (elementToAppend.innerHTML = "some html string")
var objects = document.getElementsByTagName('object');
for(var i = 0; i < objects.length; i++) {
elementToAppend = elementToAppend.cloneNode(true);
objects[i].appendChild(elementToAppend);
}
Using innerHTML or outerHTML as other answers have suggested will likely cause problems for whatever you've embedded with <object>.
appendChild(). Also good you demonstrated cloneNode(). My early attempts to do this assumed you could append the same child node multiple times, with not-so-successful results.appendChild as well: var elementToAppend = document.createElement('span'); var bold = document.createElement('b'); var text = document.createTextNode('stuff'); bold.appendChild(text); elementToAppend.appendChild(bold);appendChild is what you're looking for.
