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Creating Elements

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Creating New Elements

As we saw a preview of last week, before we can manipulate any object in the webpage, we need to select it first. In addition to selecting existing elements, we can also create new ones using document.createElement('NAME_OF_ELEMENT').

const newHeading = document.createElement('h1')
newHeading.textContent = 'New <h1> created by JS'

The snippet above creates a new element newHeading but it is not yet part of the DOM. You can add it to the end of the page using document.body.appendChild(newHeading). document.body is a handy shortcut for the <body> tag.

You can also do targetElement.insertAdjacentElement(position, element) to insert an element at the given position position where position is any of the following:

position string

Where element is inserted

"beforebegin"

before targetElement

"afterbegin"

as first child of targetElement

"beforeend"

as last child of targetElement

"afterend"

after targetElement

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