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JavaScript选择器API入门
选择符API的推出显著提升了JavaScript代码的查询效率。如今,主流浏览器如IE8及以上版本、Chrome等均支持该API。以下将介绍选择器的几个核心方法及其基本应用。 1、 querySelector() 是选择器API的核心方法之一,可传入一个CSS选择符进行查找,若页面中存在匹配元素 ...
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今日热点
Former NFL commissioner dies
BBC leaders resign
Wins F1’s Brazilian GP
Veteran NYC firefighter dies
Activated from IR
Announces $2K tariff dividend
‘Predator' tops box office
Urges direct health aid
MLB pitchers charged
Hamas hands over remains
Missing student’s body found
Suspends metals export ban
Massive RU strike on Ukraine
Police officer shot, killed
Medical helicopter crashes
100,000+ evacuated in PH
Tidal surge on Canary Islands
Sworn in as president
Trump: US to boycott G20
Rockefeller tree arrives
Powerful tornado in Brazil
Vehicle slams into FL bar
Lee Tamahori dies
Appears onstage at TX rally
Wins $10B Metsera deal
UPS grounds planes
Baby formula recalled
Withdraws from ATP Finals
NFL penalizes Jalen Ramsey
Biden visits Omaha
Leads Remembrance Sunday
Former NHL forward dies
Gaza death toll hits 69,000
NCAA revokes eligibility
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