Capitalize the first letter of sentense in JavaScript/Jquery

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How do I make the first letter of a string uppercase in JavaScript? 69 answers

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You don't need jQuery for this. You can use Javascript string and array functions.

Split the string by . , to separate different sentences

Trim each sentence

Capitalize first letter

Join by .

var str = 'this is a test. this is one more test. and this also new test.';

var newStr = str.split('.').map(function(el) {
  el = el.trim();
  return el.substr(0, 1).toUpperCase() + el.substr(1);
}).join('. ');

alert(newStr.trim());

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