How to use innerHTML in JavaScript
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How to use JavaScript innerHTML
(1) innerHTML can insert HTML code directly into specified nodes.
Syntax:
NodeObject [XSS _ clean] = HTMLCode
Where nodeObject is the node object and HTMLCode is the HTML code.
Note: innerHTML will overwrite the original HTML code.
For example, add three new nodes to the node of id= "demo":
Div id= "demo" >
Div > Click here to add a new node / div >
/ div >
Script type= "text/javascript" >
Document.getElementById ("demo") .onclick=function () {
This [XSS _ clean] = "div > this is the new node 1/div > div > this is the new node 2/div > div > this is the new node 3/div >"
}
/ script >
How does Javascript get sibling nodes
The so-called sibling node refers to the previous node or the next node of the current node.
Get the previous node
In Javascript, the previous node is obtained through previousSibling.
Syntax:
NodeObject.previousSibling
Where nodeObject is the node object (element node).
Under IE, blank nodes between nodes (spaces, carriage returns, and Tab keys) are ignored; not under browsers that follow the W3C specification (Chrome, FireFox, Safari, etc.).
Take a look at the following code:
# demo {
Height:180px
Width:250px
Padding:0px 10px 10px 10px
Border:1px solid # ccc
Background-color:#ededed
}
# demo div {
Height:50px
Width:250px
Margin-top:10px
Text-align:center
Line-height:50px
Background-color:#ccc
}
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