function myfunction(){
var a = window.confirm("打開新窗口?")
if(a==true)
{
window.open('http://www.baidu.com','_blank','heigth=600 width=800')
}
else{
return
}
}
var a = window.confirm("打開新窗口?")
if(a==true)
{
window.open('http://www.baidu.com','_blank','heigth=600 width=800')
}
else{
return
}
}
2020-09-24
numa=5;
numb=2;
jq1=numa + 30 >10 && numb * 3<20;
jq2=((numa + 30) / (7-numb)) * 3
jq1=(35>10)&&(6<20);
jq2=35/5*3=21;
true
21
numb=2;
jq1=numa + 30 >10 && numb * 3<20;
jq2=((numa + 30) / (7-numb)) * 3
jq1=(35>10)&&(6<20);
jq2=35/5*3=21;
true
21
2020-09-11
document.write( mystr.substring(mystr.indexOf("W")) + "<br />");
document.write( mystr.substring(mystr.indexOf("H"),mystr.indexOf("o")+1);
document.write( mystr.substring(mystr.indexOf("H"),mystr.indexOf("o")+1);
2020-08-18
<script type="text/javascript">
var num1 = 5;
var num2 = num1 + 6;
document.write("小明還剩:"+num1+"元"+"<br>");
document.write("小紅花:"+num2+"元買個鉛筆盒");
</script>
構思比較簡單哈哈
var num1 = 5;
var num2 = num1 + 6;
document.write("小明還剩:"+num1+"元"+"<br>");
document.write("小紅花:"+num2+"元買個鉛筆盒");
</script>
構思比較簡單哈哈
2020-08-14