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72 lines (58 loc) · 1.73 KB
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// ******************************
// Parallel Vs. Sequential Requests ******************************
// Example 1
// Sequential Requests
// async function get3Pokemon() {
// const poke1 = await axios.get('https://pokeapi.co/api/v2/pokemon/1')
// const poke2 = await axios.get('https://pokeapi.co/api/v2/pokemon/2')
// const poke3 = await axios.get('https://pokeapi.co/api/v2/pokemon/3')
// console.log(poke1.data)
// console.log(poke2.data)
// console.log(poke3.data)
// }
// get3Pokemon()
// Example 2
// Parallel Requests
// async function get3Pokemon() {
// const prom1 = axios.get('https://pokeapi.co/api/v2/pokemon/1')
// const prom2 = axios.get('https://pokeapi.co/api/v2/pokemon/2')
// const prom3 = axios.get('https://pokeapi.co/api/v2/pokemon/3')
// console.log(prom1);
// const poke1 = await prom1
// const poke2 = await prom2
// const poke3 = await prom3
// console.log(prom1)
// console.log(poke1.data)
// console.log(poke2.data)
// console.log(poke3.data)
// }
// get3Pokemon()
// Example 3
function changeBodyColor(color, delay) {
return new Promise((resolve, reject) => {
setTimeout(() => {
document.body.style.backgroundColor = color
resolve()
}, delay)
})
}
// Sequential Requests
// async function lightShow() {
// await changeBodyColor('teal', 1000)
// await changeBodyColor('pink', 1000)
// await changeBodyColor('indigo', 1000)
// await changeBodyColor('violet', 1000)
// }
// lightShow()
// Parallel Requests
async function lightShow() {
const p1 = changeBodyColor('teal', 1000)
const p2 = changeBodyColor('pink', 1000)
const p3 = changeBodyColor('indigo', 1000)
const p4 = changeBodyColor('violet', 1000)
await p1
await p2
await p3
await p4
}
lightShow()