a = [ {"id":"1"}, {"id":"2"} ] b = [ {"id":"3"}, {"id":"4"} ] a = a.concat(b)
結果:
a = [ {"id":"1"}, {"id":"2"}, {"id":"3"}, {"id":"4"} ]
a = [ {"id":"1"}, {"id":"2"} ] b = [ {"id":"3"}, {"id":"4"} ] a = a.concat(b)
結果:
a = [ {"id":"1"}, {"id":"2"}, {"id":"3"}, {"id":"4"} ]
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