Question

谁能帮我把下面的JS用for循环写一下拜托各位大神

哪位高手能帮我把这段代码用for循环的形式写出来 function a(x){ switch(x){ case 1:{ document.getElementById('div1').style.display = ""; document.getElementById('div2').style.display = "none"; document.getElementById('div3').style.display = "none"; break; } case 2:{ document.getElementById('div1').style.display = "none"; document.getElementById('div2').style.display = ""; document.getElementById('div3').style.display = "none"; break; } case 3:{ document.getElementById('div1').style.display = "none"; document.getElementById('div2').style.display = "none"; document.getElementById('div3').style.display = ""; break; } } }

Answer 1

fuction a(x){ for(i=1;i<4;i++) { document.getElementById('div'+i.tostring()).style.display = "none"; } document.getElementById('div'+x.tostring()).style.display = "block"; }