多项选择题
A.parseInt(12.34,10)B.0?1:2C.2e1*0xaaD.1+’1’
A./^abc$/B./[defgh]*/C./[ab]{2}[^defgh]/D./...(?=.)/
A.replaceChildB.insertBeforeC.createAttributeD.attributes
A.const pi=3.1415926B.let s=Symbol()C.Object.assign(target,source1,source2)D.function *helloWorld(){yield ‘hello’;yield ’world’;return ‘ending’}
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