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To select a single element which matches with the given ID using jQuery, use the element id selector. Here’s how,$('#elementid')You can try to run the following code to learn how to select a single element which matches with the given ID using jQuery −ExampleLive Demo           Selector Example                          $(document).ready(function() {             /* This would select second division only*/             $("#div2").css("background-color", "yellow");          });                                          This is first division of the DOM.                      This is second division of the DOM.                      This is third division of the DOM          

Yes, it is possible to use $(this) and universal selector (*) with jQuery. Let’s see how to do it. You can try to run the following code to learn how to use this and universal selector with jQuery:ExampleLive Demo           jQuery Universal Selector                          $(document).ready(function() {             $('*', this).css("background-color", "yellow");          });                                          This is first division of the DOM.                      This is second division of the DOM.          

The universal selector selects all the elements available in the document. Here’s how to use it:$('*')ExampleYou can try to run the following code to learn how to implement Universal Selector in jQuery −Live Demo           jQuery Universal Selector                          $(document).ready(function() {             /* This would select all the elements */             $("*").css("background-color", "yellow");          });                                          This is first division of the DOM.                      This is second division of the DOM.                      This is third division of the DOM          

A jQuery Selector is a function which makes use of expressions to find out matching elements from a DOM based on the given criteria. We can easily combine a class selector and an attribute selector with jQuery.You can try to run the following code to learn how to How to combine a class selector and an attribute selector with jQuery −ExampleLive Demo                       $(document).ready(function() {          $('.myclass[reference="12345"]').css("background-color", "yellow");       });                                             Row 1 Column 1                                 Row 2 Column 1                                 Row 3 Column 1                    

To find an element based on a data-attribute value using jQuery is quite easy. Try to run the following code to find an element based on a data-attribute value −ExampleLive Demo    $(document).ready(function() {      $('[data-slide="0"]').addClass('demo');    }); .demo {     font-size: 150%;     color: red; } Rocky Amit John

In jQuery attr method is use to get the id attribute of the first matching element.$("btn1").attr("id")In your exampleExample iddom                 $(document).ready(function () {          $('#btn1').click(function () {             alert( $('#test').attr('id'));          });       });                   Click Here

With jQuery, it’s easy to get selected text from a drop-down list with :selected. This is done using the select id. You can try to run the following code to learn how to get selected text from a drop-down list using jQuery −ExampleLive Demo           jQuery Selector                      $(document).ready(function() {             $("#submit").click(function(){                      $("#myselection option:selected").text();                alert( $("#myselection option:selected").text() );             });          });                              The selected value:                   First           Second                 Result              

Use the jQuery val() method to get the value of the selected radio button. You can try to run the following code to learn how to know which radio button is selected via jQuery −ExampleLive Demo           jQuery Selector                      $(function(){            $("#submit").click(function(){                     alert($('input:radio:checked').val());           });          });                              Select a number:          1          2          3          Result          

Using jQuery, you can detect if a specific element in the page is hidden or visible with is(:visible). You can try to run the following code to learn how to check if an element is hidden in jQuery or not −ExampleLive Demo           jQuery Selector                      $(document).ready(function() {          $("#button1").click(function(){            var visible = $('#myElement').is(':visible');                      if(visible) {               alert("input element is visible");                    }            else            {               alert("input element is hidden");            }          });         });                                     Check Visibility    

The element ID selector selects a single element with the given id attributes. Here’s how you can select:$('#elementid')You can try to run the following code to learn how to select an element by its ID attribute using jQuery:Live Demo           jQuery Selector                      $(document).ready(function() {             $("#div2").css("background-color", "yellow");          });                              This is first division of the DOM.                      This is second division of the DOM.                      This is third division of the DOM