JavaScript :
We can disable or enable an input box by setting property true or false respectively by using below code.
Code of input box
To Disable input box.
To Enable input box.
jQuery :
If you are using jQuery 1.6+ then you should use the .prop() function to disable or enable input field.
Above code will disable all the input fields, if you want to disable or enable particular field, then you should use class or id of that particular input field.
If you are using jQuery 1.5 or below then you should use the .attr() function.
To disable input field:
To enable input field:
There is also .removeProp like .removeAttr in jQuery 1.6 but we should not use it because once you use removeProp you can not again disable it.
We can disable or enable an input box by setting property true or false respectively by using below code.
Code of input box
Name: <input type="text" id="myName">
To Disable input box.
document.getElementById("myName").disabled = true;
To Enable input box.
document.getElementById("myName").disabled = false;
jQuery :
If you are using jQuery 1.6+ then you should use the .prop() function to disable or enable input field.
$("input").prop('disabled', true);
$("input").prop('disabled', false);
Above code will disable all the input fields, if you want to disable or enable particular field, then you should use class or id of that particular input field.
Name: <input type="text" id="myName" class="myName">
$("#myName").prop('disabled', true); // using id of input box
$(".myName").prop('disabled', false); // using class of input box
If you are using jQuery 1.5 or below then you should use the .attr() function.
To disable input field:
$("input").attr('disabled', 'disabled');
To enable input field:
$("input").removeAttr('disabled');
There is also .removeProp like .removeAttr in jQuery 1.6 but we should not use it because once you use removeProp you can not again disable it.
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