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How can I check whether a radio button is selected with JavaScript?
...der_Female" value="Female" />
For client-side validation, here's some Javascript to check which one is selected:
if(document.getElementById('gender_Male').checked) {
//Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
//Female radio button is checked...
JavaScript Date Object Comparison
When comparing date objects in Javascript I found that even comparing the same date does not return true.
5 Answers
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How do I reference a javascript object property with a hyphen in it?
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CSS properties with a - are represented in camelCase in Javascript objects. That would be:
alert( style.textAlign );
You could also use a bracket notation to use the string:
alert( style['text-align'] );
Property names may only contain characters, numbers, the well known $ s...
JavaScript: Get image dimensions
...n image. I need to determine the height and width of this image using only JavaScript. The image cannot be visible to the user on the page. How can I get its dimensions?
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Pass Variables by Reference in Javascript
How do I pass variables by reference in JavaScript? I have 3 variables that I want to perform several operations to, so I want to put them in a for loop and perform the operations to each one.
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JavaScript validation for empty input field
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<script type="text/javascript">
function validateForm() {
var a = document.forms["Form"]["answer_a"].value;
var b = document.forms["Form"]["answer_b"].value;
var c = document.forms["Form"]["answer_c"].value;
var d = do...
Do something if screen width is less than 960 px
...sistent across browsers if the scrollbar is visible. I've found that using javascript media queries is much more reliable.
– forsvunnet
Dec 30 '13 at 12:36
9
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Bootstrap Alert Auto Close
...ous">
<div class="product-options">
<a id="myWish" href="javascript:;" class="btn btn-mini">Add to Wishlist </a>
<a href="" class="btn btn-mini"> Purchase </a>
</div>
<div class="alert alert-success" id="success-alert">
<button type="butt...
JavaScript global event mechanism
...efined function error thrown. Is there a global error handling facility in JavaScript? The use case is catching function calls from flash that are not defined.
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What is the preferred syntax for defining enums in JavaScript?
What is the preferred syntax for defining enums in JavaScript? Something like:
48 Answers
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