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The empty() method removes all child nodes from the set of matched elements whereas the method remove() method removes all matched elements from the DOM.To remove an element, use the remove() method.ExampleYou can try to run the following code to learn how to remove an element from DOM using jQuery:Live Demo jQuery remove() method $(document).ready(function() { $("div").click(function () { $(this).remove( ); }); }); .div { margin:10px; padding:12px; border:2px solid #666; width:60px; } Click on any square below:
The findIndex() method of JavaScript is used to return the index of the first element in an array, if the condition is passed.The syntax is as follows −array.findIndex(function(currentValue, index, arr), thisValue)Let us now implement the findIndex() method in JavaScript −Example Live Demo Rank Result Finding the index of the player with highest rank. var points = [100, 150, 200, 250, 300, 400]; function topRank(points) { return points >= 400; } function display() { ... Read More
To replace a DOM element with the specified HTML or DOM elements using jQuery, use the replaceWith() method. The replaceWith (content) method replaces all matched elements with the specified HTML or DOM elements. This returns the JQuery element that was just replaced, which has been removed from the DOM.ExampleYou can try to run the following code to learn how to replace a DOM element with the specified HTML or DOM element:Live Demo jQuery replaceWith() method $(document).ready(function() { ... Read More
To change text inside an element using jQuery, use the text() method.ExampleYou can try to run the following code to replace text inside an element:Live Demo $(document).ready(function(){ $('#demo').text('The replaced text.'); }); The initial text
The replaceWith( content ) method replaces all matched elements with the specified HTML or DOM elements. This returns the jQuery element that was just replaced, which has been removed from the DOM.Here is the description of all the parameters used by this method −content − Content to replace the matched elements with.ExampleYou can try to run the following code to learn how to work with replaceWith() method:Live Demo jQuery replaceWith() method $(document).ready(function() { ... Read More
You can use ORDER BY TRIM(). Let us first create a table −mysql> create table DemoTable -> ( -> Title text -> ); Query OK, 0 rows affected (1.09 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('MongoDB is a no SQL database'); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable values('The MySQL is a relational database'); Query OK, 1 row affected (0.22 sec) mysql> insert into DemoTable values('The Java language is good'); Query OK, 1 row affected (0.35 sec) mysql> insert into DemoTable values('Python is good language'); Query ... Read More
To fix, you need to put MySQL connector to the Java classpath. Import the jar file of the connector to the project folder for the IDE you are using.Here is the snapshot to place classpath −Let us now see the code for connectivity in Java with MySQL −This will produce the following output −
To replace only a single character, use REPLACE() in MySQL. Let us first create a table −mysql> create table DemoTable -> ( -> Name varchar(20) -> ); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John Smitk'); Query OK, 1 row affected (0.09 sec) mysql> insert into DemoTable values('David Miller'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable values('Adam Smitk'); Query OK, 1 row affected (0.11 sec)Display all records from the table using select statement −mysql> select *from DemoTable;This will produce the following ... Read More
To replace only text inside a div using jQuery, use the text() method.ExampleYou can try to run the following code to replace text inside a div:Live Demo $(document).ready(function(){ $("#button1").click(function(){ $('#demo').html('Demo text'); }); }); This is it! Replace
RoundingMode function is used for rounding the number and it uses these parameters: number and how many decimal digits.ExampleYou can roundoff and your code will be like this: