JavascriptBlog.

References

Array.copyWithin()

Array.findIndex()

Array.flatMap()

Array.forEach()

Array.includes()

Array.indexOf()

Array.isArray()

Array.lastIndexOf()

Array.reduceRight()

Array.reverse()

Array.toString()

Array.unshift()

Function.toString()

JSON.stringify()

Object.assign()

Object.create()

Object.defineProperties()

Object.defineProperty()

Object.entries()

Object.freeze()

Object.fromEntries()

Object.getOwnPropertyDescriptor()

Object.getOwnPropertyDescriptors()

Object.getOwnPropertyNames()

Object.getOwnPropertySymbols()

Object.getPrototypeOf()

Object.hasOwn()

Object.hasOwnProperty()

Object.isExtensible()

Object.isFrozen()

Object.isPrototypeOf()

Object.isSealed()

Object.preventExtensions()

Object.setPrototypeOf()

Object.toLocaleString()

Object.values()

Promise.allSettled()

Promise.finally()

String.charAt()

String.charCodeAt()

String.concat()

String.endsWith()

String.fromCodePoint()

String.includes()

String.indexOf()

String.lastIndexOf()

String.localeCompare()

String.matchAll()

String.padEnd()

String.padStart()

String.replace()

String.replaceAll()

String.search()

String.startsWith()

String.substring()

String.toLocaleLowerCase()

String.toLocaleUpperCase()

String.toLowerCase()

String.toString()

String.toUpperCase()

String.trimEnd()

String.trimStart()

String.valueOf()

Symbol.keyFor()

String.search()

Leírás

Visszatér a String példány azon indexével, ahol előfordul (kezdődik) az argumentumba írt string (vagy reguláris kifejezés).

Szintaxis

search(regexp)

Példa

const paragraph = 'TechOnTheNet'
 
console.log(paragraph.search('T'))
// Expected output: 0
 
console.log(paragraph.search('t'))
// Expected output: 11
 
console.log(paragraph.search(/[A-Z]/))
// Expected output: 0

in this article

Leírás
Szintaxis
Példa

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