Created
July 8, 2021 01:38
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Todo example
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<script> | |
let name = ''; | |
let todos = [{name: 'Linux'}, {name: 'Ubuntu', done: true}]; | |
let active; | |
function add() { | |
if(!name) return; | |
todos.push({name}); | |
name = ''; | |
} | |
const remove = i => { | |
todos.splice(i, 1); | |
} | |
const reverse = todo => { | |
todo.name = todo.name.split("").reverse().join(""); | |
} | |
$: numDone = todos.filter(t => t.done).length; | |
</script> | |
{#if active} | |
Edit: <input type="text" @keydown|enter={active=null} :value={active.name} /> | |
{:else} | |
<input type="text" @keydown|enter={add} :value={name} /> | |
{/if} | |
<ul> | |
{#each todos as todo, index (todo) } | |
<li class:active={todo == active} class:inactive={todo.done}> | |
<input type="checkbox" :checked={todo.done} /> | |
<span @click={active=todo}>{index}: {todo.name}</span> | |
<a href @click|prevent={remove(index)}>remove</a> | |
<a href @click|prevent={reverse(todo)}>reverse</a> | |
</li> | |
{/each} | |
</ul> | |
Total done: {numDone} of {todos.length} | |
<style> | |
li {cursor: pointer;} | |
.active {background-color: #cfc;} | |
.inactive {text-decoration-line: line-through; color: gray;} | |
</style> |
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