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React: Difference between revisions
→React with JSX
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= React with JSX = | = React with JSX = | ||
== React elements as JSX == | |||
=== Nested components === | |||
<source lang="html"> | |||
<IngredientsList> | |||
<Ingredient /> | |||
<Ingredient /> | |||
<Ingredient /> | |||
</IngredientsList> | |||
</source> | |||
=== ClassName === | |||
Since <code>class</code> is a reserved word in JavaScript, className is used to define the class attribute. | |||
=== JavaScript Expressions === | |||
<source lang="js"> | |||
<h1>{title}</h1> | |||
<input type="checkbox" defaultChecked="{false}" /> | |||
</source> | |||
=== Evaluation === | |||
<source lang="js"> | |||
<h1>{"Hello" + title}</h1> | |||
<h1>{title.toLowerCase().replace}</h1> | |||
function appendTitle({ title }) { | |||
console.log(`${title} is great!`); | |||
} | |||
</source> | |||
=== Mapping Arrays with JSX === | |||
<source lang="js"> | |||
<ul> | |||
{props.ingredients.map((ingredient, i) => ( | |||
<li key="{i}">{ingredient}</li> | |||
))} | |||
</ul> | |||
</source> | |||
== Babel == | |||
= React State Management = | = React State Management = | ||