JavaScript Get Select Tag Text OnChange

In this tutorial we will see how to Get Select Tag Text OnChange using JavaScript. HTML DOM .options property and .selectedIndex property is used for this which will get the text of the selected option of select tag.

HTML Code

HTML code is given below, in this code we have a select tag with three options. Onchange event is used for the select tag to trigger the JavaScript function which will get the text of the selected option.

<select name="lang" onchange="getText(this)">
<option value="1">HTML</option>
<option value="2">CSS</option>
<option value="3">JavaScript</option>
</select>

JavaScript Code

JavaScript Code is given, in this code we have used .options property and .selectedIndex property of HTML DOM.

The .options property returns the collection of all options present inside the select tag.

.options[0] represents the first option of select tag, similarly .options[1] represents the second option and so on.

selectedIndex property sets or returns the index of the selected option in select tag. The index value starts from 0, which means that for the first option, the index would be 0 and so on.

Both .options and .selectedIndex property are combined like .options[event.selectedIndex] to get the selected option.

The word event in this example, is used for this and it represents the select tag.

<script>
function getText(event)
{
    var text= event.options[event.selectedIndex].text;
    alert(text);
}
</script>

Demo

Video Tutorial

Watch our video tutorial on Get Select Tag Text OnChange with JavaScript.

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