slip.js | A Scheme interpreter in asm.js | Interpreter library
kandi X-RAY | slip.js Summary
kandi X-RAY | slip.js Summary
Slip.js is a handwritten asm.js implementation of Slip. The language was originally designed as a variant of Scheme and implemented in C by Prof. T. D'Hondt at the Vrije Universiteit Brussel. This version aims to bring that same language to the web while maintaining similar performance as the original native Slip. For this reason, the interpreter runs on top of asm.js, a very optimizable low-level subset of JavaScript. Read the full paper here or have a look at our slideshow presented at SAC2016.
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QUESTION
My question is, is it ok to not use setState
in this situation or if I should, how would I go about it?
I'm creating a sportsbetting app.
On the list of games, when a user clicks on Denver Broncos -3, a bet slip is created. This also calls
setState({gameSelected:[item]})
in the Parent Component.
It stores that object and adds to it using the spread operator when more bets are clicked.
I pass down that data to betSlip.js file.side note
Some of the data in the gameSelected object has :
risk:'',
win:'',
On betSlip.js I am looping through that data and displaying it.
Relevant code inside the loop.
...ANSWER
Answered 2018-Aug-23 at 00:05Yes, you should be using setState
here to update item.win
. Otherwise, React is not aware of the mutation on item
and does not rerender. Since item
is a prop, you should treat it as immutable from within betSlip.js and update item.win
through an event handler in the parent component where item
is maintained. Your betSlip.js component could have an onWinUpdate
handler that is called within handleBet
as this.props.onWinUpdate(item, calcBet(bet))
. Then, the parent component can have a function handleWinUpdate(item, bet)
that updates the state. I would also keep things immutable in handleWinUpdate
by doing something like this:
QUESTION
I'm trying to add drag-and-drop functionality to my project and using slip.js for this.
To decorate cursor I've add class="draggable"
to each draggable . The CSS for this class is:
ANSWER
Answered 2017-Nov-14 at 22:01As mentioned in chrome sets cursor to text while dragging, why?, I need to disable selection when dragging. My JavaScript for this:
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