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var a=[‘a’,’b’,’c’];
var b=[‘x’,’y’,’z’];
var ca.concat(b,true);
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array.join(separator)
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var a=['a','b','c'];
a.push('d');
var c=a.join('');          //cÊÇ'abcd'
array.pop()
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var a=['a','b','c'];
var c=a.pop();             //aÊÇ['a','b'],cÊÇ'c'
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var a=['a','b','c'];
var b=a.reverse();
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JavaScript¾«´â¶ÁÊé±Ê¼Ç(7)

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