Difference between input readyonly disabled and readyonlydisabled
Most of the Differences introduced on the Internet are the ability to point one non-point, that is, readonly can get the focus, and disabled cannot get the focus.
As a matter of fact, this is just an intuitive difference. Problems Encountered by code practices are discovered:
Disabled: In additio
1, ReadOnly is to lock this control, through the interface cannot modify him (but through JavaScript can modify him).2, disabled and ReadOnly have the same place also can lock this control user cannot change his value, but disabled more thoroughly, he is to make you completely unable to use him, including changing his background color, if the checkbox is not to select him.3. All controls have
It is found that three workarounds can be used to change the state of the element that is placed to disabled to Enabled.First: Change the Boolean state of the disabled, the specific code and interpretation as follows:
The code is as follows
Copy Code
$ ("Button:eq (2)"). Click (function () {var text2=$ ("Input:text:eq (2)");if (text2.attr ("
Css style settings have several attributes with the same functions but slightly different expressions. Today, when you change the style attributes of an object through js, we find that the display and visible attributes seem to be the same, in fact, there are some differences. Here we also share the differences between readonly and disabled.
Differences between display and visible:
(1) display: none and visible: hidden can hide an element on the webpa
In Bootstra, form elements, buttons can be disabled by setting disabled or disabled= "disabled" within the label. Links need to be added class= "disabled" to disable links.text box is disabled:Disable the Combined form: if the Filedset label is
Both Readonly and Disabled can prevent users from modifying the content in the form field, but there are some differences between them, the following describes in detail Readonly and Disabled, both of which can prevent users from modifying the content in form fields. However, there are minor differences between them, which are summarized as follows:
Readonly is only valid for input (text/password) and text
Readonly and disabled are two attributes used in a form. They both enable users not to change the content in the form field. However, there are minor differences between them, which are summarized as follows:
Readonly is only valid for input (text/password) and textarea, while disabled is valid for all form elements, including select, radio, checkbox, And button.
However, after a form element is
To solve the problem that jquery does not pass a value to the disabled attribute, jquerydisabled
Question: After an uneditable judgment is added to the review page, click review. An error is reported, and the data in the form is not passed.The following is the code added to js to determine whether it is on the review page. Remove the code and click the [review] button to transfer data normally. If it is added, it cannot be passed.
if (data.WF_W_S
A category of system documents needs to be disabled (notDelete), The form for making the document is the drop-down list used, and immediately thought of the option disabled.
1:FunctionDiableselectitem (ID, v ){
2:VaREl = Document. getelementbyid (ID );
3:For(VaRI = 0, j = El. Options. length; I
4:If(EL. Options [I]. value = V) {El. Options [I]. Disabled
There are many ways to batch set properties, and in this article, you can use jquery to set readonly and disabled properties in bulk The jquery API provides a way to apply disabled and ReadOnly attributes to elements, recorded here. The following:nbsp; 1.readonlynbsp; code is as follows: $ (' input '). attr ("ReadOnly", "ReadOnly")//sets the INPUT element to readonlynbsp; $ (' input '). Removeattr ("rea
Readonly and Disabled are two attributes used in a form. They both enable users not to change the content in the form field. However, there are slight differences between them. I have summarized some rules in practice as follows:
Readonly is only valid for input (text/password) and textarea, while disabled is valid for all form elements, including select, radio, checkbox, And button. However, after a form
. In addition, the services required to access some websites, such as Microsoft websites, Windows Update websites, or DRM websites, often provide and confirm the signature information of Windows files. Do not Disabled this service.DCOM Server Process Launcher default Automatic (recommended: Automatic)The previous DCOM Service, that is, remote service, is a more basic service than COM +. Check the Registry to know how many DCOM components are in Window
Next, let's take a look at the readonly and disabled buttons of JQuery. I hope this article will be helpful to you.
Disable/restore button
I used it before, don't remember...
Actually, it is to change the attribute of
Disable the btn button:
The Code is as follows:
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$ ("# Btn"). attr ({"disabled": "disabled "});// Or$ ("# Btn").
Disable/Redo button
Used before, not remember ...
is actually changing the properties of
To disable a button with ID btn:
The code is as follows
Copy Code
$ ("#btn"). attr ({"Disabled": "Disabled"});Or$ ("#btn"). attr ("Disabled", "disabled");
Cancel
In jquery, you can use jqueryObj. attr ( quot; disabled quot;, quot; disabled quot;) sets an element on the page to editable or trigger, however, the APIreference of jquery does not indicate how to set the page to disable to trigger or editable. Here we can use three workarounds to change the state of an element that is set to disabled to enabled.
First, chang
This article describes how to display and hide elements in Jquery, and how to disable the implementation code of controls that are set to read-only and Ligerui. For more information, see
1. Hide and display elements
The Code is as follows:
Watermarks ('{button_save_12'{.css ('display', 'None'); // hide the button(('{Button_save_12'{.css ('display', 'display'); // display button
// Or take
The Code is as follows:
$ ('# Button_save_12'). hide ();$ ('# Button_save_12'). show ();
2. Set
JS can be passed document.getElementById ("btn"). Disabled = true; To set the button is not availableYou can also set the disabled property of the textarea in the form form so that users cannot enter characters into the TextArea notes boxdocument.getElementById ("textarea"). Disabled = true;An HTML form with a disabled
You can set true and false for the disabled attribute of the hyperlink to determine whether the hyperlink can be clicked.For example:The above means that you do not want to bring the super chain of Bai du into effect, but do not make any constraints or judgment on click. However, when you click Bai du, you will naturally jump to the Baidu page, this is a bug in the HTML Super Link disabling attribute.You can add the following JS constraints to determi
Readonly and disabled are used to prevent users from modifying the content in the form field. However, they still have some differences:1. readonly is only valid for input (text/password) and textarea, while disabled is valid for all form elements, including select, radio, checkbox, And button.After the disabled element is used for a form element, if we submit th
Css:enabled and: Disabled pseudo class selectorIn Web Forms, some form elements (such as input boxes, password boxes, check boxes, and so on) have 2 states of "Available" and "unavailable." By default, these form elements are in the available state.In CSS3, we can use the: Enabled selector and the: Disabled selector to set CSS styles for both the available and unavailable states of the form element, respect
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