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HTML DOM Option Object
The HTML DOM option Object represent the <option> element of an HTML document.
Let us now see how to create option object −
Syntax
Following is the syntax −
document.createElement(“OPTION”);
Properties
Following are the properties of option Object −
| Property | Explanation |
|---|---|
| disabled | It returns and modify whether the option element is disabled or not. |
| defaultSelected | It returns the default value of option element in an HTML document. |
| form | It returns the reference of the form that contain the option element in HTML document. |
| index | It returns and modify the index position of an option in the HTML document. |
| label | It returns and alter the value of the label attribute of an option in an HTML document. |
| selected | It returns and alter the value of the selected attribute of an option. |
| text | It returns and modify the text of an option. |
| value | It returns and modify the value of an option which is going to be sent over the server. |
Example
Let us see an example of HTML DOM option object −
<!DOCTYPE html>
<html>
<head>
<style>
body{
text-align:center;
background-color:#fff;
color:#0197F6;
}
h1{
color:#23CE6B;
}
.btn{
background-color:#fff;
border:1.5px dashed #0197F6;
height:2rem;
border-radius:2px;
width:60%;
margin:2rem auto;
display:block;
color:#0197F6;
outline:none;
cursor:pointer;
}
</style>
</head>
<body>
<h1>DOM option Object Demo</h1>
<select class="drop-down"></select>
<button onclick="createDropDownList()" class="btn">Create a drop-down option</button>
<script>
function createDropDownList() {
var option = document.createElement("option");
option.setAttribute("value","Hello");
option.innerText='Hello';
document.querySelector(".drop-down").appendChild(option);
}
</script>
</body>
</html>
Output
This will produce the following output −
Click on “Create a drop-down option” button to create an option object and then add it to drop-down list.
Updated on: 2019-07-30T22:30:26+05:30
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