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6 lip 2009 · Beginners are likely to want to access values from a select with the NAME attribute rather than ID attribute. We know all form elements need names, even before they get ids. So, I'm adding the getElementsByName() solution just for new developers to see too.
function setSelectedValue(object, value) { for (var i = 0; i < object.options.length; i++) { if (object.options[i].text === value) { object.options[i].selected = true; object.onchange(); return; } } // Throw exception if option `value` not found.
Select Object. The Select object represents an HTML <select> element. Access a Select Object. You can access a <select> element by using getElementById (): Example. var x = document.getElementById("mySelect"); Try it Yourself » Tip: You can also access a Select object by searching through the elements collection of a form. Create a Select Object.
5 mar 2024 · The value property allows us to read or set the value of the select element. index.js. const select = document.getElementById('select'); console.log(select.value); . select.value = 'fox'; console.log(select.value); The code for this article is available on GitHub.
25 paź 2020 · First, let me show you the JavaScript method that you use to add items to a Select Option list. It's quite easy, you just create a new Option object and call append on your Select Option list. Sample Code. Here's a quick example: var value = "1"; var localOption = new Option("Display Text", value , false, false);
To select a <select> element, you use the DOM API like getElementById() or querySelector(). The following example illustrates how to get the index of the selected option: const sb = document.querySelector('#framework') btn.onclick = (event) => {. event.preventDefault();
Syntax. Return the value property: selectObject.value. Set the value property: selectObject.value = value. Property Values. Technical Details. More Examples. Example. Return the value of a selected option in a drop-down list: var x = document.getElementById("mySelect").value; Try it Yourself » Select Object. W3schools Pathfinder.
