摘要:
var i="1"; console.log(i==1); console.log(i===1); console.log(i==="1");输出:truefalsetrue在js中,有相等(==)和严格相等(===)的区别,使用==时,整形1会转换为字符串“1”于变量i进行比较。===不... 阅读全文
摘要:
typeBubbling phaseCancelableTarget node typesDOM interfaceDOMActivateYesYesElementUIEventDOMFocusInYesNoElementUIEventDOMFocusOutYesNoElementUIEventfo... 阅读全文