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Array.findIndex
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How to use
findIndex
function
in
Array

Best JavaScript code snippets using builtins.Array.findIndex(Showing top 15 results out of 3,465)

origin: terkelg/prompts

reset() {
  this.moveCursor(this.parts.findIndex(p => p instanceof DatePart));
  this.fire();
  this.render();
 }
origin: strapi/strapi

function unformatBytes(value) {
 const sizes = ['B', 'KB', 'MB', 'GB'];
 const k = 1000;

 const number = value.split(/KB|MB|GB/)[0];
 const unit = value.split(number)[1];

 const i = sizes.findIndex(size => size === unit);

 const multiplicator = k ** i;
 const newValue = number * multiplicator;

 return newValue / 1000;
}
origin: terkelg/prompts

next() {
  let next = this.parts[this.cursor].next();
  this.moveCursor(next
   ? this.parts.indexOf(next)
   : this.parts.findIndex((part) => part instanceof DatePart));
  this.render();
 }
origin: GitSquared/edex-ui

this.conns.findIndex(x => x.ip === ip)
origin: yagop/node-telegram-bot-api

/**
  * Remove a listener registered with `onText()`.
  * @param  {RegExp} regexp RegExp used previously in `onText()`
  * @return {Object} deletedListener The removed reply listener if
  *   found. This object has `regexp` and `callback`
  *   properties. If not found, returns `null`.
  */
 removeTextListener(regexp) {
  const index = this._textRegexpCallbacks.findIndex((textListener) => {
   return String(textListener.regexp) === String(regexp);
  });
  if (index === -1) {
   return null;
  }
  return this._textRegexpCallbacks.splice(index, 1)[0];
 }
origin: GitSquared/edex-ui

this.pins.splice(this.pins.findIndex(x => x.removed), 1);
origin: awslabs/aws-serverless-express

const getUserIndex = (userId) => users.findIndex(u => u.id === parseInt(userId))
origin: webpack/webpack.js.org

array.findIndex(item => item.name.toLowerCase() === 'index.md')
origin: GitSquared/edex-ui

this.markers.splice(this.markers.findIndex(x => x.removed), 1);
origin: kitze/JSUI

items.findIndex(i => i.id === this.highlightedItem)
origin: strapi/strapi

function unformatBytes(value) {
 const sizes = ['B', 'KB', 'MB', 'GB'];
 const k = 1000;

 const number = value.split(/KB|MB|GB/)[0];
 const unit = value.split(number)[1];

 const i = sizes.findIndex(size => size === unit);

 const multiplicator = k ** i;
 const newValue = number * multiplicator;

 return newValue / 1000;
}
origin: awslabs/aws-serverless-express

const getUserIndex = (userId) => users.findIndex(u => u.id === parseInt(userId))
origin: GitSquared/edex-ui

this.conns.findIndex(x => x.ip === ip)
origin: GitSquared/edex-ui

this.pins.splice(this.pins.findIndex(x => x.removed), 1);
origin: GitSquared/edex-ui

this.markers.splice(this.markers.findIndex(x => x.removed), 1);
builtins(MDN)ArrayfindIndex

JSDoc

Returns the index of the first element in the array where predicate is true, and -1
otherwise.

Most used builtins functions

  • Console.log
  • Console.error
  • Promise.then
    Attaches callbacks for the resolution and/or rejection of the Promise.
  • Promise.catch
    Attaches a callback for only the rejection of the Promise.
  • Array.push
    Appends new elements to an array, and returns the new length of the array.
  • Array.length,
  • Array.map,
  • String.indexOf,
  • fetch,
  • Window.location,
  • Window.addEventListener,
  • ObjectConstructor.keys,
  • Array.forEach,
  • Location.reload,
  • Response.status,
  • Navigator.serviceWorker,
  • ServiceWorkerContainer.register,
  • ServiceWorkerRegistration.installing,
  • ServiceWorkerContainer.controller

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