Created
July 27, 2016 06:14
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JS - Javascript - Finding a match in a JS array with indexOf
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| // where this.conditionsLetters is | |
| // ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"] | |
| if ( this.conditionsLetters.indexOf( $letter ) > -1 ) { // check if match found | |
| this.selectedConditionsLetter = $letter; | |
| } | |
| // no match returns -1, | |
| // whereas a match returns the zero base position in the array which is always greater than -1 |
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