File Download ##BEST## Button

This attribute on a is nonstandard and Firefox-specific. Unlike other browsers, Firefox persists the dynamic disabled state of a across page loads. Setting autocomplete="off" on the button disables this feature; see Firefox bug 654072.

The element to associate the button with (its form owner). The value of this attribute must be the id of a in the same document. (If this attribute is not set, the is associated with its ancestor element, if any.)

File Download Button

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If the button is a submit button, this Boolean attribute specifies that the form is not to be validated when it is submitted. If this attribute is specified, it overrides the novalidate attribute of the button's form owner.

If the button is a submit button, this attribute is an author-defined name or standardized, underscore-prefixed keyword indicating where to display the response from submitting the form. This is the name of, or keyword for, a browsing context (a tab, window, or ). If this attribute is specified, it overrides the target attribute of the button's form owner. The following keywords have special meanings:

The button will toggle a popover between showing and hidden. If the popover is hidden, it will be shown; if the popover is showing, it will be hidden. If popovertargetaction is omitted, "toggle" is the default action that will be performed by the control button.

A submit button with the attribute formaction set, but without an associated form does nothing. You have to set a form owner, either by wrapping it in a or set the attribute form to the id of the form.

If your buttons are not for submitting form data to a server, be sure to set their type attribute to button. Otherwise they will try to submit form data and to load the (nonexistent) response, possibly destroying the current state of the document.

If you want to visually hide the button's text, an accessible way to do so is to use a combination of CSS properties to remove it visually from the screen, but keep it parsable by assistive technology.

However, it is worth noting that leaving the button text visually apparent can aid people who may not be familiar with the icon's meaning or understand the button's purpose. This is especially relevant for people who are not technologically sophisticated, or who may have different cultural interpretations for the icon the button uses.

Interactive elements such as buttons should provide an area large enough that it is easy to activate them. This helps a variety of people, including people with motor control issues and people using non-precise forms of input such as a stylus or fingers. A minimum interactive size of 4444 CSS pixels is recommended.

Firefox will add a small dotted border on a focused button. This border is declared through CSS in the browser stylesheet, but you can override it to add your own focused style using button::-moz-focus-inner { }.

If overridden, it is important to ensure that the state change when focus is moved to the button is high enough that people experiencing low vision conditions will be able to perceive it.

Color contrast ratio is determined by comparing the luminosity of the button text and background color values compared to the background the button is placed on. In order to meet current Web Content Accessibility Guidelines (WCAG), a ratio of 4.5:1 is required for text content and 3:1 for large text. (Large text is defined as 18.66px and bold or larger, or 24px or larger.)

This attribute on a is nonstandard and Firefox-specific. Unlike other browsers, Firefox persists the dynamic disabled state of a across page loads. Setting autocomplete=\"off\" on the button disables this feature; see Firefox bug 654072.

The button will toggle a popover between showing and hidden. If the popover is hidden, it will be shown; if the popover is showing, it will be hidden. If popovertargetaction is omitted, \"toggle\" is the default action that will be performed by the control button.

When using button classes on elements that are used to trigger in-page functionality (like collapsing content), rather than linking to new pages or sections within the current page, these links should be given a role="button" to appropriately convey their purpose to assistive technologies such as screen readers.

Sometimes you might want to have icons for certain buttons to enhance the UX of the application as we recognize logos more easily than plain text. For example, if you have a delete button you can label it with a dustbin icon.

Connect three wires to the board. The first two, red and black, connect to the two long vertical rows on the side of the breadboard to provide access to the 5 volt supply and ground. The third wire goes from digital pin 2 to one leg of the pushbutton. That same leg of the button connects through a pull-down resistor (here 10K ohm) to ground. The other leg of the button connects to the 5 volt supply.

When the pushbutton is open (unpressed) there is no connection between the two legs of the pushbutton, so the pin is connected to ground (through the pull-down resistor) and we read a LOW. When the button is closed (pressed), it makes a connection between its two legs, connecting the pin to 5 volts, so that we read a HIGH.

You can also wire this circuit the opposite way, with a pullup resistor keeping the input HIGH, and going LOW when the button is pressed. If so, the behavior of the sketch will be reversed, with the LED normally on and turning off when you press the button.

I think I can simplify my expected outcome down to:

As a Retool app builder, I would like to dynamically set which header and payload values to send my API/query request based on a specific button that my Retool app users clicked in the Retool app.

Why: depending on which button the user clicked (even if it's to invoke the same end-query resource), we want to send a specific payload/param request, and we want to log a certain value in one of our custom headers so we have additional usage context in the future for which buttons users are using to submit requests.

Use-case details

I have several buttons on an app page that effectively call the same query resource. However I would like to dynamically pass in (via a single transformer ideally) a specific endpoint param and header value based on which button was clicked. if this was a vanilla html/js app, I would basically inspect the handled event and use that to inform the payload/headers sent to the fetch/request. Does Retool support a similar kind of approach?

However, this ended up creating unexpected behavior in the app (bugs) and confused both my users and myself when I tried to debug - because the outcome is driven if the table has data populated, and if it does and the user tries to use one of those buttons, my transformer overrides it in effect

Current workaround

I am using two different JS Query resources that each button is specifically mapped to. This is ok, but ideally it would be much easier if I could just 'inspect the event emission source' (eg name or id of the button ) in a transformer and then based on that value, determine the values passed into my query resource ff782bc1db