查询JavaScript中的复选框

Query regarding checkboxes in JavaScript

本文关键字:复选框 JavaScript 查询      更新时间:2023-09-26

我发现这段代码用于选择/取消选中所有复选框。它的工作原理。在每个输入中都有一个name=list,我希望这段代码与name=list[]

一起工作。

当我改变这个选项的按钮在JavaScript中出现错误:

<input type=button value="Check All" onClick="this.value=check(this.form.list[])">

这是原始代码:

<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var checkflag = "false";
function check(field) {
if (checkflag == "false") {
for (i = 0; i < field.length; i++) {
field[i].checked = true;}
checkflag = "true";
return "Uncheck All"; }
else {
for (i = 0; i < field.length; i++) {
field[i].checked = false; }
checkflag = "false";
return "Check All"; }
}
// End -->
</script>
<center>
<form name=myform action="" method=post>
<table>
<tr><td>
<b>Your Favorite Scripts & Languages</b><br>
<input type=checkbox name=list value="1">Java<br>
<input type=checkbox name=list value="2">JavaScript<br>
<input type=checkbox name=list value="3">ASP<br>
<input type=checkbox name=list value="4">HTML<br>
<input type=checkbox name=list value="5">SQL<br>
<br>
<input type=button value="Check All" onClick="this.value=check(this.form.list)">
</td></tr>
</table>
</form>
</center>
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有可能吗?

<input type=button value="Check All" onClick="this.value=check(this.form['list[]'])">