<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>continue</title><script type="text/JavaScript"> var mynum =[70,80,66,90,50,100,89];//定义数组mynum并赋值 var i=-1; while(i < 6) { i=i++; if(mynum[i]<60) {continue;} document.write("成绩为"+mynum[i]+"及格"+'<br>'); }</script></head><body></body></html>i=i++为什么不能写在document.write的后面?
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