課程

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/JavaScript

/JavaScript進階篇

var?myarr=new?Array();??//先聲明一維?
for(var?i=0;i<2;i++){???//一維長度為2
???myarr[i]=new?Array();??//再聲明二維?
???for(var?j=0;j<3;j++){???//二維長度為3
???myarr[i][j]=i+j;???//?賦值，每個數組元素的值為i+j
???}
?}