How To Enable/Disable An Chemical Component Division Using Jquery As Well As Javascript? Example
Sometimes nosotros demand to enable in addition to disable input elements similar text box, radio buttons, or checkboxes, but every fourth dimension yous brand a alter yous demand to reload the HTML? The inquiry is, how tin terminate nosotros create it dynamically without loading the page? Well, nosotros tin terminate usage JavaScript, peculiarly jQuery to create this. An chemical gene tin terminate live on disabled inward HTML past times setting disable belongings to truthful in addition to enabled 1 time to a greater extent than past times setting disabled=false. By using jQuery, yous tin terminate choose direct keep of the chemical gene yous desire to enable or disable in addition to alter this belongings past times using the prop() or attr() function, depending upon the version of jQuery yous are using.
The prop() portion was added inward jQuery 1.6 in addition to its the criterion way to bargain amongst properties but attr() function does the same undertaking for jQuery 1.5 in addition to lower version thus yous tin terminate usage attr() for the same purpose inward jQuery version lower than 1.6.
Btw, yous tin terminate likewise enable or disable whatever HTML chemical gene e.g. input text land using plainly onetime JavaScript.
All yous demand to create is acquire the chemical gene past times id in addition to laid its disabled belongings to truthful or false. You tin terminate create that when a user clicks on unopen to push clit past times calling a JavaScript portion past times using the onclick attribute every bit shown inward our outset example.
As a Java spider web developer, I tin terminate tell that JavaScript is jQuery is a real of import skill. Even though the value of jQuery is gone downward a picayune fleck due to their frameworks similar React, Angular, in addition to Vue JS in addition to recent enhancements on JavaScript itself similar ES half-dozen features, but it is even thus a force, in addition to valued inward the undertaking market.
Though, if yous are a spider web developer or aspire to acquire out a spider web developer, I strongly propose yous to receive got a await at The Web Developer Bootcamp course of written report past times Colt Steele, it's 1 of the best in addition to teaches yous all of import technologies a spider web developer should know.
The steps are every bit follows:
1) Register enable() in addition to disable() portion amongst buttons to enable in addition to disable text field
2) Use the getElementById() to choose direct keep of the text field
3) Set the disabled land to truthful or false
Here is the sample HTML file amongst JavaScript solution:
When yous click the push clit "Disable the text field", the disable() portion volition live on called in addition to disabled belongings of text land volition live on laid to true, which way yous cannot come inward text on this text land anymore, it's disabled.
You tin terminate re-enable the text land past times clicking on "Enable the text field" button, it volition telephone telephone the enable() portion which volition reset the disabled belongings to false.
If yous desire to larn to a greater extent than most JavaScript, I propose yous acquire out through Colt's The Web Developer Bootcamp and The Advanced Web Developer Bootcamp courses, 2 of the best courses for spider web developers.
Similar to the previous example, nosotros receive got 2 buttons btn_enable and btn_disable to enable in addition to disable the text field.
We attach the consequence handler using click() portion at $(document).ready() which called afterward page is loaded. On consequence handler nosotros choose direct keep of the text land past times using jQuery ID selector e.g. $("#name") in addition to and thus called prop("disabled", false") to disable this text field.
When a user calls the enable push clit nosotros but laid the disabled belongings to truthful past times calling prop("disabled", true). This enabled the text land again.
Remember, yous cannot come inward text into a disabled text field, 1 time to a greater extent than yous tin terminate see The Web Developer Bootcamp to larn to a greater extent than most HTML in addition to dissimilar types of input fields.
You tin terminate essay this past times running inward your browser. Just remember, non to telephone telephone removeProp() function to enable the push clit 1 time to a greater extent than e.g. removeProp("disabled") because it volition take the "disabled" attribute from the text land in addition to it won't live on possible to disable it 1 time to a greater extent than inward the future, instead but usage prop("disabled", false) method.
Btw, if yous are novel to jQuery I propose yous to outset acquire out through here)How to acquire electrical flow URL Parameter using jQuery? (solution) How to usage multiple jQuery Date picker chemical gene inward 1 HTML page? (answer) 10 Examples of jQuery selectors for Web Developers (tutorial) How to redirect spider web page using jQuery code? (answer) 3 Ways to parse HTML using JSoup inward Java? (solution) How to reload/refresh a page using jQuery? (answer) How to foreclose double submission of POST information using JavaScript? (solution) How to modify multiple elements inward 1 acquire out inward jQuery? (example) How to banking enterprise stand upward for in addition to uncheck checkboxes using jQuery? (tutorial) Thanks for reading this article thus far. If yous similar this article in addition to thus delight portion amongst your friends in addition to colleagues. If yous receive got whatever inquiry or dubiety in addition to thus delight driblet a comment.
P. S. - If yous don't heed learning from costless resources in addition to thus yous tin terminate likewise banking enterprise stand upward for out my listing of free jQuery courses to start your jQuery journey.
The prop() portion was added inward jQuery 1.6 in addition to its the criterion way to bargain amongst properties but attr() function does the same undertaking for jQuery 1.5 in addition to lower version thus yous tin terminate usage attr() for the same purpose inward jQuery version lower than 1.6.
Btw, yous tin terminate likewise enable or disable whatever HTML chemical gene e.g. input text land using plainly onetime JavaScript.
All yous demand to create is acquire the chemical gene past times id in addition to laid its disabled belongings to truthful or false. You tin terminate create that when a user clicks on unopen to push clit past times calling a JavaScript portion past times using the onclick attribute every bit shown inward our outset example.
As a Java spider web developer, I tin terminate tell that JavaScript is jQuery is a real of import skill. Even though the value of jQuery is gone downward a picayune fleck due to their frameworks similar React, Angular, in addition to Vue JS in addition to recent enhancements on JavaScript itself similar ES half-dozen features, but it is even thus a force, in addition to valued inward the undertaking market.
Though, if yous are a spider web developer or aspire to acquire out a spider web developer, I strongly propose yous to receive got a await at The Web Developer Bootcamp course of written report past times Colt Steele, it's 1 of the best in addition to teaches yous all of import technologies a spider web developer should know.
How to enable/disable text land using JavaScript
In this example, nosotros receive got an HTML form, text boxes, in addition to a twosome of buttons to enable in addition to disable that text field. I am using plainly JavaScript, no jQuery yet to order the task.The steps are every bit follows:
1) Register enable() in addition to disable() portion amongst buttons to enable in addition to disable text field
2) Use the getElementById() to choose direct keep of the text field
3) Set the disabled land to truthful or false
Here is the sample HTML file amongst JavaScript solution:
<html> <head> <title>How to enable or disable input using JavaScript</title> </head> <body> <h2>Enabling in addition to Disabling text land using JavaScript</h2> <form id="registration-form"> Enter your name: <input type="text" id="name"> </form> <button onclick="disable()">Disable the text field</button> <button onclick="enable()">Enable the text field</button> <script> function disable() { document.getElementById("name").disabled = true; } function enable() { document.getElementById("name").disabled = false; } </script> </body> </html>
You tin terminate re-enable the text land past times clicking on "Enable the text field" button, it volition telephone telephone the enable() portion which volition reset the disabled belongings to false.
If yous desire to larn to a greater extent than most JavaScript, I propose yous acquire out through Colt's The Web Developer Bootcamp and The Advanced Web Developer Bootcamp courses, 2 of the best courses for spider web developers.
How to enable/disable text land using jQuery?
Here is the jQuery code to create the same thing. In this example, nosotros receive got used prop() function, if yous are running on jQuery 1.5 or lower version, but supersede the prop() amongst attr() in addition to it should piece of job fine.Similar to the previous example, nosotros receive got 2 buttons btn_enable and btn_disable to enable in addition to disable the text field.
We attach the consequence handler using click() portion at $(document).ready() which called afterward page is loaded. On consequence handler nosotros choose direct keep of the text land past times using jQuery ID selector e.g. $("#name") in addition to and thus called prop("disabled", false") to disable this text field.
When a user calls the enable push clit nosotros but laid the disabled belongings to truthful past times calling prop("disabled", true). This enabled the text land again.
Remember, yous cannot come inward text into a disabled text field, 1 time to a greater extent than yous tin terminate see The Web Developer Bootcamp to larn to a greater extent than most HTML in addition to dissimilar types of input fields.
<html> <head> <title>How to enable or disable textfield using jQuery</title> </head> <body> <h2>Enabling in addition to Disabling text land using jQuery</h2> <form id="registration-form"> Enter your name: <input type="text" id="name"> </form> <button id="btn_disable" >Disable the input</button> <button id="btn_enable" >Enable the input</button> <script src="http://code.jquery.com/jquery-1.6.2.min.js"></script> <script> $(document).ready(function() { $("#btn_enable").click(function(){ $("#name").prop("disabled", false); }); $("#btn_disable").click(function(){ $("#name").prop("disabled", true); }); }); </script> </body> </html>
You tin terminate essay this past times running inward your browser. Just remember, non to telephone telephone removeProp() function to enable the push clit 1 time to a greater extent than e.g. removeProp("disabled") because it volition take the "disabled" attribute from the text land in addition to it won't live on possible to disable it 1 time to a greater extent than inward the future, instead but usage prop("disabled", false) method.
Btw, if yous are novel to jQuery I propose yous to outset acquire out through here)
P. S. - If yous don't heed learning from costless resources in addition to thus yous tin terminate likewise banking enterprise stand upward for out my listing of free jQuery courses to start your jQuery journey.
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