302 | | * var letters = [ 'a', 'b', 'c' ]; |
303 | | * alert( CKEDITOR.tools.indexOf( letters, 'b' ) ); "1" |
| 302 | * var letters = [ 'a', 'b', 0, 'c', false ]; |
| 303 | * alert( CKEDITOR.tools.indexOf( letters, '0' ) ); "-1" because 0 !== '0' |
| 304 | * alert( CKEDITOR.tools.indexOf( letters, false ) ); "4" because 0 !== false |
305 | | indexOf : function( array, entry ) |
306 | | { |
307 | | for ( var i = 0, len = array.length ; i < len ; i++ ) |
308 | | { |
309 | | if ( array[ i ] == entry ) |
310 | | return i; |
311 | | } |
312 | | return -1; |
313 | | }, |
| 306 | indexOf : |
| 307 | // #2514: We should try to use Array.indexOf if it does exist. |
| 308 | // [].indexOf works everywhere if the the browser implementation is available. |
| 309 | ( [].indexOf ) ? |
| 310 | function( array, entry ) |
| 311 | { |
| 312 | return index = array.indexOf( entry ); |
| 313 | } |
| 314 | : |
| 315 | function( array, entry ) |
| 316 | { |
| 317 | for ( var i = 0, len = array.length ; i < len ; i++ ) |
| 318 | { |
| 319 | if ( array[ i ] === entry ) |
| 320 | return i; |
| 321 | } |
| 322 | return -1; |
| 323 | }, |