<input type="button" id="Button1"" />
<input type="button" id="Button2" onclick="bbb()" />
<input type="button" id="aa" onclick="aaa()" />
<input type="text" id="bb" onchange="bbb()"/>
</div>
</form>
<script type="text/javascript">
function aaa() {
alert("123");
document.getElementById("Button1").disabled = "false";
}
function bbb() {
alert("1234");
document.getElementById("Button1").disabled = "true";
};
</script>
为什么可以设置其为不可用户!但是要设置回来就不行了
<input type="button" id="Button2" onclick="bbb()" />
<input type="button" id="aa" onclick="aaa()" />
<input type="text" id="bb" onchange="bbb()"/>
</div>
</form>
<script type="text/javascript">
function aaa() {
alert("123");
document.getElementById("Button1").disabled = "false";
}
function bbb() {
alert("1234");
document.getElementById("Button1").disabled = "true";
};
</script>
为什么可以设置其为不可用户!但是要设置回来就不行了
alert("123");
document.getElementById("Button1").disabled = "";
}
function bbb() {
alert("1234");
document.getElementById("Button1").disabled = "true";
};
<input type="button" id="Button2" value="按钮B(使按钮A不可用)" />
<input type="button" id="Button3" value="按钮C(使按钮A可用)" /><script type="text/javascript">
$(function(){
$("#Button2").click(function(){$("#Button1").attr("disabled","true");}); //单击按钮B,触发按钮A不可用的属性
$("#Button3").click(function(){$("#Button1").attr("disabled","");});
});
</script>