Javascript 字串處理 (String Operations)
尋找字串(search)
stringObject.search(searchstring)
stringObject.search(尋找的字串)
大小寫必須相符
尋找字串(search)
stringObject.search(searchstring)
stringObject.search(尋找的字串)
大小寫必須相符
- 8月 27 週四 201514:32
Javascript string
- 8月 27 週四 201514:27
表單大全
表單大全
1. 長度限制
<script>
function test()
{
if(document.a.b.value.length>50)
{
alert("不能超過50個字符！");
document.a.b.focus();
return false;
}
}
</script>
<form. name=a nsubmit="return test()">
<textarea name="b" cols="40" wrap="VIRTUAL" rows="6"></textarea>
<input type="submit" name="Submit" value="check">
</form>
1. 長度限制
<script>
function test()
{
if(document.a.b.value.length>50)
{
alert("不能超過50個字符！");
document.a.b.focus();
return false;
}
}
</script>
<form. name=a nsubmit="return test()">
<textarea name="b" cols="40" wrap="VIRTUAL" rows="6"></textarea>
<input type="submit" name="Submit" value="check">
</form>
- 8月 09 週日 201510:41
Javascript 文字click切換
<script language="javascript">
function go() {
x=document.getElementById("aaa")
if (x.innerHTML=='+')
{x.innerHTML='-'}
else
{x.innerHTML='+'}
}
function go() {
x=document.getElementById("aaa")
if (x.innerHTML=='+')
{x.innerHTML='-'}
else
{x.innerHTML='+'}
}
- 4月 11 週五 201418:35
淡入淡出文字的javacode
Default text; this is the text that 3.x browsers will see. You can have lots of text here instead. Or, you can use a script to write in text only if it's Netscape 4 (you have to do that so that the layer gets some content or the written in text won't show correctly).
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