gorton-lab https://blog.hatena.ne.jp/gorton-lab/ gorton-lab　日記の下書き https://gorton-lab.hatenadiary.org/ javascript programing 【例1】 var a = x ? b : c;は以下と等価 if(x) { var a = b; } else { var a = c; }【例2】 var a = (x || y) ? b : c;if(x || y) {var a = b;} else {var a = c;}【例3】 var a = x ? b : ( i || j ) ? c : d;if(x){ var a = b; } else { if( i || j ) { var a = c; } else { var a = d; } } 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgorton-lab.hatenadiary.org%2Fentry%2F20100415%2F1271305870" title=" 三項演算子 - gorton-lab　日記の下書き" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2010-04-15 13:31:10 rich https://gorton-lab.hatenadiary.org/entry/20100415/1271305870 1.0 100%