How to Capitalize the First Letter of a Word Using JavaScript
November 2, 2018
There are several ways to format a string but most common ones involve the handling of capitalization. The follow two cases format a string using the infamous string methods: “replace()”, “toLowerCase()”, and “toUpperCase()”.
Case 1: Capitalize only the first character of a string
let str = "this Is A StrinG!";
let newstr = str.replace( /^[a-z]{1}/igm,function(m){
return m.toUpperCase()
});
console.log(newstr); //Output: This Is A StrinG!This one is pretty obvious.
Case 2: Capitalize only the first character and force the rest of string to be in lowercase
let str = "this Is A StrinG!";
let newstr = str.toLowerCase().replace(/^[a-z]{1}/igm,function(m){
return m.toUpperCase()
});
console.log(newstr); //Output: This is a string!Try it here:
