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I've looked all over for how to capitalize the first character of every word of a string, but nothing helped me. I need to set an entered string to a heading capital character lower case one . I've tried this:

function titleCase(str) { //converting the giving string into array str =str.split(" "); //iterating over all elem.s in the array for(var i=0;i<str.length;i++){ //converting each elem. into string str[i]=str[i].toString(); //converting the first char to upper case &concatenating to the rest chars str[i]=str[i].toUpperCase(str[i].charAt(0))+ str[i].substring(1); } return str; } titleCase("I'm a little tea pot");

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  • you mean first character of every word of a string? Commented Dec 11, 2015 at 6:27
  • 2
    Please find you answer here Capitalize the first letter of string in JavaScript Commented Dec 11, 2015 at 6:28
  • Is I'm A Little Tea Pot expected output Commented Dec 11, 2015 at 6:34
  • @Tushar I guess so...has a valid answer from gurvinder372 Commented Dec 11, 2015 at 8:14
  • @benzkji You can't see deleted answers, I also had answer function titleCase(str) { str = str.split(" "); for (var i = 0; i < str.length; i++) { str[i] = str[i][0].toUpperCase() + str[i].substring(1); } return str.join(' '); } var str = titleCase("I'm a little tea pot"); and var str = "i'm a little tea pot"; str = str.replace(/^[a-z]|\s[a-z]/g, function(m) { return m.toUpperCase(); }); Commented Dec 11, 2015 at 8:38

5 Answers 5

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if you want to uppercase first character of every word in the string (looks like what you are doing with your code)

function titleCase(str) { str =str.split(" "); for(var i=0;i<str.length;i++) { str[i]=str[i].charAt(0).toUpperCase + str[i].substring(1); } return str.join(" "); } alert( titleCase("I'm a little tea pot") );
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this is the correct answer...
2 
function firstToUpperCase( str ) { return str.substr(0, 1).toUpperCase() + str.substr(1); } var str = 'hello, I\'m a string'; var uc_str = firstToUpperCase( str ); console.log( uc_str ); //Hello, I'm a string
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 function capitalise(string) { return string.charAt(0).toUpperCase() + string.slice(1).toLowerCase(); } capitalise("smallletters") ;// Smallletters
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1

You could simply do:

function capitalFirst(str) { return str.charAt(0).toUpperCase() + str.slice(1); }
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1

Try something like this:

String.prototype.titleCase = function(){ return this[0].toUpperCase() + this.slice(1) }

Usage:

"hello my name is Jacques".titleCase();

If you want to capitalize the character at the beginning of each word, try something like this:

String.prototype.capitalize = function(){ return this.split(" ") .map(function(){ return this[0].toUpperCase() + this.slice(1); }).join(" "); }
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