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22 lip 2012 · You could use following ways via jQuery or JavaScript to check whether checkbox is clicked. $('.messageCheckbox').is(":checked"); // jQuery document.getElementById(".messageCheckbox").checked //JavaScript To obtain the value checked in jQuery: $(".messageCheckbox").is(":checked").val();
For example, a simple check that the element is hidden using display: none could look somewhat like this: var box = element.getBoundingClientRect(); var visible = box.width && box.height; This is also handy because it also covers zero-width, zero-height and position: fixed cases.
var checkBox = document.getElementById("myCheck"); // Get the output text. var text = document.getElementById("text"); // If the checkbox is checked, display the output text. if (checkBox.checked == true){. text.style.display = "block";
26 lip 2024 · The checkVisibility() method of the Element interface checks whether the element is visible. The method returns false in either of the following situations: The element doesn't have an associated box, for example because the CSS display property is set to none or contents.
The display property sets or returns the element's display type. Elements in HTML are mostly "inline" or "block" elements: An inline element has floating content on its left and right side. A block element fills the entire line, and nothing can be displayed on its left or right side.
Use checkbox.checked property or :check selector to test if a checkbox is checked. Get the value attribute to get the value of a checkbox.
5 mar 2024 · In the function, we check if the checkbox is checked and if it is, we set thedisplay property of the div element to block to show it. If you uncheck the checkbox, the div's display property is set to none and the element is hidden.
