News Articles conditional-statements

How can I hide a link with inline conditional styling in react?

I’m building my portfolio right now and I would like to hide the download link of my projects when href is empty <GridContainer> {projects.map(({id, image, title, description, tags, source, visit, pdf}) => <BlogCard key={id}> <div> <Img src={image} style={{alignContent:"flex-start", display:"flex"}}/> <br/> <TitleContent> <HeaderThree title>{title}</HeaderThree> <Hr /> </TitleContent> <CardInfo>{description}</CardInfo> </div> <div > <br/> <TitleContent>Technologies utilisées :</TitleContent> <TagList> […]

if conditional statement doesn’t appear to be working

So I am learning JavaScript. I am doing an assignment on conditional statements. We have to create a variable named randomNum and have it return a a value that is a whole number of 1 through 5. I’ve got this: let randomNum=Math.floor(Math.random()*5)+1; console.log(randomNum); which works. I then have to create an if statement that displays […]

How can I put Doble condition in react?

In react js I can Conditanally render any div. like {hasContent && <span>{value}</span> } How can I put two condition like following- {hasContent || hasDesc && <span>{value}</span> } *** If I write it it shows wrong or not work perfectly I acutally want to render span tag if there is hasContent or hasDesc How can […]

Shorthand way to write Conditional in Javascript

I usually run into writing conditionals like this and I’m wondering if there a short hand way to write something similar below without calling a function const currentValue = this.props.book.location.areaValueInDollars ? this.props.book.location.areaValueInDollars : 0; Source: JavaSript – Stack Overflow

Conditionally passing a string value as a prop to my child component

I have a javascript function which conditionally renders a string: const renderMyText = (type) => { let myText; switch (type) { case ‘one’: myText = ‘Text one’; break; case ‘two’: myText = ‘Text two’; break; case ‘three’: myText = ‘Text three’; break; default: break; } return myText; }; In my react parent component I want […]

How to run a javaScript conditional inside dynamically injected HTML

I am working with an API and dynamically injecting the HTML from the JS file. In the HTML, I need to run a conditional but it’s not working. The code below is from my JS file. I thought perhaps I needed a script tag but when I use one, the code doesn’t run and the […]

how to change state of next item when the current item is selected

I have an editable table which user can edit some information. but I want to show a notification when user going to edit another cell of table if the current cell is still in edit status. and then I want the current cell turn to default status and the clicked cell turn to edit status. […]

Conditional component render if user is an owner of post React + Django Rest Framework

I have f.e. User and Post models. User object has an id and Post object has owner id. I want to render the <Edit /> button just when User is the owner of the Post. What is the best way to do this? Simply I can just get the current User id from database using […]

add a className for every 12th item in array skipping first 14 items and last 14 items?

Hi guys I want to add a "pagebreak" className to my div when every 12 element passes in the array like 12, 24, 48 … , and first and last 14 elements should be skipped {orderData.map((el, i) => { let condition = i >= 14 && i % 12 === 0; // how to write […]

At first it was working properly but all of sudden when I use some comment about that function all of the function stop working and showed error [closed]

[enter image description here][1] Before writting comment all the function were properly working now ,I don’t know why it is not working. [1]: https://i.stack.imgur.com/qO6On.png for (let number = 0; number <= 12; number = number + 2) { console.log(number); } THANK YOU Source: JavaSript – Stack Overflow

Javascript If statement containing both AND ( && ) and OR ( || )

I am puzzled why this statement evaluates to true: (false && true || true) === true; If the AND (&&) is a guard and the boolean proceeding it is false then it should have broken out of the if statement there, yet it doesn’t and goes on to evaluate the OR (||) statement. I had […]

Vue conditional list rendering

I am working on a Layered Navigation element where I have a v-for loop on filters in an array. Filters like color, size, gender etc… Since the amount of options in some the filters can be quite overwhelming (color for example),I would like to add a button to show more options per filter. I currently […]

Vue conditional list rendering

I am working on a Layered Navigation element where I have a v-for loop on filters in an array. Filters like color, size, gender etc… Since the amount of options in some the filters can be quite overwhelming (color for example),I would like to add a button to show more options per filter. I currently […]

Vue conditional list rendering

I am working on a Layered Navigation element where I have a v-for loop on filters in an array. Filters like color, size, gender etc… Since the amount of options in some the filters can be quite overwhelming (color for example),I would like to add a button to show more options per filter. I currently […]

Vue conditional list rendering

I am working on a Layered Navigation element where I have a v-for loop on filters in an array. Filters like color, size, gender etc… Since the amount of options in some the filters can be quite overwhelming (color for example),I would like to add a button to show more options per filter. I currently […]

Javascript condition not accurate to me

I’m trying to get the bigger score to print, it works for numbers until 10, however for a reason unclear to me numbers above 10 do not work as expected, with for example firstScore being 10 and secondScore 5, yet it would print 5 instead of 10. var firstScore = prompt(‘First exam score?’); var secondScore […]

Conditional rendering in react prop

I want to ask if this possible in react while passing props or something similar. Eslint underlined the whole process in red. Component A, enter code here <div> <button style={{style:props.submit}}> Submit</button> <button style={{style:props.loading}}> Loading</button> </div> Component B import ComponentA from ‘A’, export default class ComponentB extends Component { constructor(props) { super(); this.state = { load:false, […]

Conditional rendering in react prop

I want to ask if this possible in react while passing props or something similar. Eslint underlined the whole process in red. Component A, enter code here <div> <button style={{style:props.submit}}> Submit</button> <button style={{style:props.loading}}> Loading</button> </div> Component B import ComponentA from ‘A’, export default class ComponentB extends Component { constructor(props) { super(); this.state = { load:false, […]

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Creator of @LzoMedia I am a backend software developer based in London who likes beautiful code and has an adherence to standards & love's open-source.