JSFiddle - React, Tailwind, and code Playground
JavaScript
var targetDisk = ['E', 'o', '-'];
var newDisk = [];
for(var i = 0; i <targetDisk.length; i++) {
if(targetDisk[i] !== 'o') {
newDisk.push(targetDisk[i]);
}
var text = newDisk.join('');
console.log(text);
}