In this tutorial we will learn how to Remove specific option from Select Tag with JavaScript. HTML DOM getElementById Method, HTML DOM value property, HTML DOM length property and HTML DOM remove() method is used for this purpose.
Table of Contents
HTML Code
HTML Code is given below, in this code we have a select tag with four options and a button tag and input tag. onclick event is used in button tag, which will execute a JavaScript function to Remove defined option from Select Tag.
<select name='lang' id='select'>
<option value="html">HTML</option>
<option value="css">CSS</option>
<option value="js">JavaScript</option>
<option value="php">PHP</option>
</select>
<input type="text" id='option'>
<button onclick="removeOptions()">Remove It</button>
JavaScript Code
Take a look at the JavaScript code, the HTML DOM getElementById() method, HTML Dom value property, HTML DOM length property and HTML DOM remove() method are used in this code.
Main function removeOptions() is executed when the HTML button is clicked, this is done using onclick event.
<script>
function removeOptions()
{
var option = document.getElementById('option').value;
var selectTag = document.getElementById("select");
for (var i=0; i<selectTag.length; i++)
{
if (selectTag.options[i].value == option)
selectTag.remove(i);
}
}
</script>
getElementById() Method
HTML DOM getElementById() Method is used to select or target HTML element by it's id.
In this code, it is used to select the select tag.
HTML Dom value property
HTML Dom value property sets or returns the value of input element.
In this example, it is used to get the input value from user, the option with this value will be removed from the select tag.
HTML Dom length property
HTML Dom length property returns the number of nodes or elements in object.
In this code, it is used to run the loop equal to number of options available inside the select tag, to match each option with the user input.
remove() Method
HTML DOM remove() Method is used to remove specific HTML element from the DOM.
In this code, it is used to remove the option from select tag.
Demo
Video Tutorial
Watch video tutorial on Remove specific option from Select Tag using JavaScript.