With jQuery 4, a new major version is released for the first time in years. Less legacy, modern browsers, more security – with manageable breaking changes.

jQuery 4.0.0 also debuts with a slimmer build, with the removal of deferred objects and callbacks. Deferreds have long-supported the Promises A+ standard for interoperable JavaScript promises; however ...

Twenty years after its introduction, the jQuery team has released version 4.0.0. The first major release in almost 10 years brings significant ...

未压缩的jQuery库(32KB)与精简版(9KB)相比，在印度等新兴市场会导致页面加载时间增加1.2秒，而谷歌明确将“首次内容绘制(FCP)”纳入排名因素，延迟超过3秒的页面跳出率将飙升至53%。案例：知了网络为某电子元器件企业诊断时发… ...