The following code shows how to select not checked checkbox. Example. Using jQuery you can determine if a checkbox has been checked, performing an action based on the result. For example, you may want to conditionally show or hide form fields when a checkbox is selected. Use the function prop() to check the checkbox using its id.This jQuery method is helpful in conditions where the ClientId of the control is different to its id. Example the ClientId becomes different when the control is placed inside an asp.net repeater or gridview. Check out the Blog Archive. Popular PostsjQuery AJAX request and response example - Java Servlets, MySQL and JSON. Android ListView Checkbox Example - OnItemClickListener() and OnClickListener(). jQuery checking a checkbox with prop ( :checked).If the user changes this value, such happens with a checkbox, for example, what you want is the property of this element. How can I check checkboxes by testing their high and low values with jQuery? The example below shows some checkboxes where if the value of the checkbox If the value is equal or lower to the one checked, then should not be checked. There are a number of different ways to check if a checkbox is checked (ticked).