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How to set new value for an attribute using jQuery?

My HTML code includes an <a> tag with href attribute i.e. link. On button click, I want to set new value for the href attribute value www.website/demo1.com to www.website/demo2.com. The .....
Ricky Barnes
Answered on 9th Dec, 2017

The jQuery attr() method is used to get the value of an attribute. It can also be used to set new value. We will set new value of attribute href to tutorialspoint.com/html5 from tutorialspoint.com/css.You can try to run the following code to learn how to set new value for an attribute ... Read More

How to change the value of an attribute using jQuery?

Which method is used in jQuery to change the value of an attribute? In my code, my <a> tag is having the href attribute i.e. link as www.website1.com.  So, with jQuery, I want to ch.....
Ricky Barnes
Answered on 9th Dec, 2017

The jQuery attr() method is used to get the value of an attribute. It can also be used to change the value. In the example, we will change the attribute value tutorialspoint.com to tutorialspoint.com/java.You can try to run the following code to learn how to change the value of an ... Read More

How to use attr() method in jQuery to get the value of an attribute?

The following is my HTML code and I want to get the value of the attribute href using the attr() method: , For displaying, I want the link of the <a> tag i.e. href.
David Meador
Answered on 9th Dec, 2017

The jQuery attr() method is used to get the value of an attribute, with the attribute, for example, href. Mention the attribute as the parameter of the attr() method.You can try to run the following code to learn how to use the attr() method to get the value of an ... Read More

How to get the value of custom attribute in jQuery?

With jQuery, I want to get the value of custom data attribute. Here’s my HTML : , The data-original-title attribute value is what I want. I have tried the following in jQuery, which isn'.....
Amit D
Answered on 9th Dec, 2017

To get the value in jQuery, use the data-attributes with the data() method. You can try to run the following code to implement how to get the value of custom attribute:<html>    <head>       <title>Selector Example</title>       <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>       <script> ... Read More

How to get the value of src attribute in jQuery?

I am having an HTML web page, which shows an image. With jQuery, I want to get the link of the image, using the src attribute. How can I achieve this using jQuery?  The following is .....
Amit D
Answered on 9th Dec, 2017

To get the value of src attribute in jQuery is quite easy. We will get the src attribute of the img tag. This attribute has the URL of the image. Let’s first see how we can add jQuery:You can try to run the following code to learn how to get ... Read More

How to get the value of id attribute in jQuery?

I am trying to get the value of the id attribute of the div element. How can I do it with jQuery. Here’s my HTML code: ,
Amit D
Answered on 9th Dec, 2017

Use jQuery attr() method to get the value of id attribute. You can try to run the following code to learn how to get the value in jQuery:<html>    <head>       <title>jQuery Example</title>       <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>           <script>   ... Read More

How to get an attribute value in jQuery?

With jQuery, I am trying to get the value of the height attribute of the image (<img>) element. I want an alert box to show the attribute value on button click. How can I get the value?&.....
Amit D
Answered on 9th Dec, 2017

To get an attribute value in jQuery is quite easy. For this, use the jQuery attr() method. You can try to run the following code to learn how to get an attribute value in jQuery:<html>    <head>       <title>jQuery Example</title>       <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> ... Read More

How to select multiple elements with jQuery?

I am having some elements in my code: , I want to select all the elements using jQuery, to change the font color. How can I select multiple elements?
Amit D
Answered on 9th Dec, 2017

With jQuery, you can easily select multiple elements.  Here’s how you can select for multiple elements such as <h1> and <p>, $("h1, p")You can try to run the following code to learn how to select multiple elements with jQuery:<html>    <head>       <title>jQuery Example</title>       ... Read More

How to select a single element which matches the given ID using jQuery?

I want to select a div from 3 divs, which matches the given ID.  I have the following divs: , The div element with id = div1 is what I want to select. How can this be done?
Amit D
Answered on 8th Dec, 2017

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:<html>    <head>       ... Read More

Is it possible to use $(this) and universal selector (*) with jQuery?

I have used jQuery Universal Selector to select all the elements. Can $(this) and universal selector both be used alongside jQuery. The following is my div: ,
Alex Onsman
Answered on 8th Dec, 2017

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:<html>    <head>       <title>jQuery Universal Selector</title>       <script src ... Read More

How to use universal (*) selector in jQuery?

I have the following div tags with different class and id.  , For my web page, I want to change the background color. How can I use universal (*) selector in jQuery to change the backgrou.....
Amit D
Answered on 8th Dec, 2017

The universal selector selects all the elements available in the document. Here’s how to use it:$('*')You can try to run the following code to learn how to implement Universal Selector in jQuery:<html>    <head>       <title>jQuery Universal Selector</title>       <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>       ... Read More

How to combine a class selector and an attribute selector with jQuery?

The following is the code snippet of my HTML table: , I want to combine class selector and an attribute selector to get the table row with class myclass and attribute reference="12345". How th.....
Amit D
Answered on 8th Dec, 2017

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 ... Read More

How to find an element based on a data-attribute value using jQuery

The following is the content of my <p> tag: , With jQuery, I want to find the element based on a data-attribute value. After finding, I want to update that element, with the data-attribu.....
Amit D
Answered on 8th Dec, 2017

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:<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script>    $(document).ready(function() {      $('[data-slide="0"]').addClass('demo');    }); </script> <style> .demo {     ... Read More

How to check if a Python string contains only digits?

How do I check if the strings ‘12345’ and ‘12345a’ contain only digitis?
Rajendra Dharmkar
Answered on 8th Dec, 2017

There is a method called isdigit() in String class that returns true if all characters in the string are digits and there is at least one character, false otherwise. You can call it as follows:print("12345".isdigit()) print("12345a".isdigit())OUTPUTTrue FalseYou can also use regexes for the same result. For matching only digits, we ... Read More

How to check if a string only contains certain characters in Python?

How do I check if a string ‘123’ contains only certain characters like ‘1234’?
Rajendra Dharmkar
Answered on 8th Dec, 2017

You can check if a string only contains certain characters result by using Sets. Declare a set using the characters you want to allow. For example if we want to check if a string only contains 1, 2, 3 and 4, we can use:from sets import Set allowed_chars = Set('1234') ... Read More

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