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To get the input value of the first matched element using jQuery, use the .first() method.ExampleYou can try to run the following code to get the input value of the first matched element using jQuery −Live Demo                          $(document).ready(function(){            $( "li" ).first().css( "background-color", "blue" );          });                              One          Two          Three          Four          

jQuery comes with a lot of methods to manipulate attributes. These are DOM related methods. The attributes include, text() and html() too,text() – This method sets or returns the text content of elements selected.html() – This method sets or returns the content of elements selected.ExampleYou can try to run the following code to learn how to manipulate attributes with text() and html() methods −Live Demo $(document).ready(function(){    $("#button1").click(function(){       alert("Using text()- " + $("#demo").text());    });    $("#button2").click(function(){       alert("Using html()- " + $("#demo").html());    }); }); This is demo text. Text HTML

To get the text contents of all matched elements using jQuery, use the text() method. You can try to run the following code to get text contents of all matched elements using jQuery −ExampleLive Demo           The Selector Example                          $(document).ready(function() {            $("#button1").click(function(){              var content = $("#pid2").text();              alert(content);            });          });                            .red {          color:red;        }        .green {          color:green;        }                         This is first paragraph.       This is second paragraph.       Get    

To get the content of div which contains JavaScript script blocks, use the html() method. You can try to run the following code to get the content. With html(), get the content of div, which includes the JavaScript script.ExampleLive Demo                            $(document).ready(function(){            $("#button1").click(function(){              alert($("#demo").html());              });          });                                This is demo text.                       This is JavaScript                        Get    

To get the innerHTML of a div tag in jQuery, use the class with innerHTML. You can try to run the following code to learn how to get innerHTML of a div tag using jQuery −ExampleLive Demo  $(document).ready(function(){    $("#button1").click(function(){      var one = $('.a').innerHTML;      alert(one);    });  });    Value one    Get

To replace innerHTML of a div tag, use the html() method. The dot notation calls the html() method to replace the inner html with  the parameter placed between, i.e. Demo here. The html() here modifies the .innerhtml.ExampleYou can try to run the following code to to replace innerHTML of a div tag using jQuery −Live Demo          $( document ).ready(function() {        $('.myclass').html('Demo');      });  Hello World

The html() method sets or returns the content of elements selected. jQuery has a some methods to manipulate attributes, including the html() method. These are DOM related methods. The attributes include, text() – This method sets or returns the text content of elements selected.html() – This method sets or returns the content of elements selected.val() – This method sets or returns the value of form fields.ExampleYou can try to run the following code to learn how to work with html() method −Live Demo $(document).ready(function(){     $("#button1").click(function(){         alert("Using text- " + $("#demo").text()); ... Read More

To toggle between two classes in jQuery, use the addClass() and removeClass() method. You can try to run the following code to toggle between two classes in jQuery −ExampleLive Demo                          $(document).ready(function(){           $("a").click(function(){              $("a.active").removeClass("active");              $(this).addClass("active");           });          });                      .active {             font-size: 22px;            }                     One       Two       Click any of the link above and you can see the changes.    

To remove all classes, use the removeClass() method with no parameters. This will remove all of the item's classes.ExampleYou can try to run the following code to remove all CSS classes using jQuery:Live Demo           jQuery Selector                          $(document).ready(function() {            $("#button1").click(function(){              $("p").removeClass();            });          });                              .red { color:red; }          .blue { color:blue; }                         This is first paragraph.       This is second paragraph.       Remove    

The hasClass() method is used to check if an element has a class in jQuery. jQuery is a JavaScript library introduced to make development with JavaScript easier. It reduces the development timeExampleYou can try to run the following code to check if an element has a class in jQuery −Live Demo                          $(document).ready(function(){             $("button").click(function(){                alert($("h1").hasClass("myclass"));             });          });                      .myclass {          color: blue;          }                     Heading       This is demo text.       Check: The h1 element has 'myclass' class?