阿萨斯阿萨德

Original 2019-01-18 14:53:04 169
abstract:function check(username){if(username.value.length === 0){alert("用户名空空如也!");}else{alert("验证通过");}}


function check(username){

if(username.value.length === 0){

alert("用户名空空如也!");

}else{

alert("验证通过");

}

}



Correcting teacher:灭绝师太Correction time:2019-01-18 14:58:50
Teacher's summary:你的作业也空空如也……你想老师看到你的什么效果?作业验证不通过……作业请补充

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