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Other 2022-01-22 08:56:04
function to check how many times a character appears in a string
function letterCount(string, letter, caseSensitive) { var count = 0; if ( !caseSensitive) { string = string.toUpperCase(); letter = letter.toUpperCase(); } for (var i=0, l=string.length; i<string.length; i += 1) { ... Add solution