How to use 'javascript count occurrences in string' in JavaScript
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299 function occurrences(string, subString) { 300 var n = 0, pos = 0, step = subString.length 301 302 while (true) { 303 pos = string.indexOf(subString, pos) 304 if (pos >= 0) { 305 n++ 306 pos += step 307 } 308 else break 309 } 310 return n 311 }