JSFiddle - React, Tailwind, and code Playground
HTML
<div id="output"></div>
JavaScript
function trim(string){
if(string[0]==' '){
string = string.slice(1,string.length);
string = trim(string);
} else if(string[string.length-1]==' '){
string = string.slice(0,string.length-1);
string = trim(string);
}
return string;
}
function print(string){
document.getElementById('output').innerHTML += string;
}
var str = " string ";
str= trim(str);
alert(":"+str+":");