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Pure JS convert word or string first letter to capital

Pure JS convert word or string first letter to capital Today we learn how to convert first letter capital of a word by using pure JS. So here is the some methods that we can use to make it word captilize in js and jquery Convert first letter to capital of a string or word Method 1: function ConvertToCapital(word) {     return word.charAt(0).toUpperCase() + word.slice(1); } Method 2 function ConvertToCapital(word) { return word[0].toUpperCase() + word.substr(1); } var a = ConvertToCapital("hello"); console.log(a); //Output = Hello var a = ConvertToCapital("hello this is test"); console.log(a); //Output = Hello this is test Convert all words to capital of a string Method 2: function ConvertToCapitalStr(str) {   return str.toLowerCase().split(' ').map(x=>x[0].toUpperCase()+x.slice(1)).join(' '); } var a = ConvertToCapitalStr("hello this is test"); console.log(a); //Output = Hello This Is Test I...