Zepto iOS 3 Compatibility Module: trim and reduce Polyfills

The IOS3 module in Zepto provides backward compatibility for older iOS versions (specifically iOS 3.x) by implementing polyfills for two commonly used yet missing methods: String.prototype.trim and Array.prototype.reduce. trim Polyfill The native String.prototype.trim is unavailable in iOS 3.2, so Zepto defines it only if it doesn’t already exi ...

Posted on Mon, 03 Aug 2026 16:59:20 +0000 by deepakagrawal1982