rauschma

Cheat sheet: JavaScript Array methods

Deriving a new Array from an existing Array:

['■','●','▲'].slice(1, 3)          ⟼ ['●','▲']
['■','●','■'].filter(x => x==='■') ⟼ ['■','■']
    ['▲','●'].map(x => x+x)        ⟼ ['▲▲','●●']
    ['▲','●'].flatMap(x => [x,x])  ⟼ ['▲','▲','●','●']

morgyface

<?php
// Change the columns for the releases list screen
function change_columns( $cols ) {
  $cols = array(
  'cb'         => '<input type="checkbox" />',
  'featimg'    => 'Featured Image',
  'excerpt'    => 'Excerpt?',
  'title'      => 'Title',
  'artist'     => 'Artist',
  'catno'      => 'Cat#',