修复使用S.Event.on给window绑定load事件时,如果window已经load,回调不会执行的问题 #395
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在web.js中增加了一个绑定,使用了S.Env.winHasLoaded作为标识符,然后后续的绑定中可以通过这个值来判断是否window已经load。
应用场景:天猫detail的onload时间很早,而吊顶会把部分模块绑定在window load事件上,由于吊顶代码是异步的,会造成绑定的时候window已经load,最后代码不执行。需要增加这个功能才能实现正常载入模块