JS: String.prototype.trimStart
(new in JS: ECMAScript 2019)
str.trimStart()-
same as
str.trimLeft() str.trimLeft()-
Return a new string with
Whitespaces
on the left removed.
console.log(" t".trimStart() === "t"); console.log(" t".trimLeft() === "t");
JS String.prototype
- JS: String.prototype.constructor
- JS: String.prototype.at
- JS: String.fromCharCode
- JS: String.prototype.concat
- JS: String.prototype.repeat
- JS: String.prototype.trim
- JS: String.prototype.trimStart
- JS: String.prototype.trimEnd
- JS: String.prototype.padStart
- JS: String.prototype.padEnd
- JS: String.prototype.slice
- JS: String.prototype.substring
- JS: String.prototype.substr
- JS: String.prototype.indexOf
- JS: String.prototype.lastIndexOf
- JS: String.prototype.includes
- JS: String.prototype.startsWith
- JS: String.prototype.endsWith
- JS: String.prototype.search
- JS: String.prototype.match
- JS: String.prototype.matchAll
- JS: String.prototype.replace
- JS: String.prototype.split
- JS: String.prototype.toLowerCase
- JS: String.prototype.charAt
- JS: String.prototype.charCodeAt
- JS: String.prototype.codePointAt