var message = 'Hello World';
message.startsWith('H'); // instead of message.indexOf('H') === 0
message.endsWith('d'); // instead of whatever ¯\_(ツ)_/¯
message.includes('or'); // instead of message.indexOf('or') >= 0
// There is a helper for repeating character n times.
// ES5 - Previously you would have done
new Array(3+1) * '*'
// ES6 - Now you can simply do
'*'.repeat(3); // Will generate ***
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