Javascript 基于下拉值设置本地存储
如何根据下拉选择的值设置localstorage项的值Javascript 基于下拉值设置本地存储,javascript,html,Javascript,Html,如何根据下拉选择的值设置localstorage项的值 <select id="theme" onchange=""> <option value="simple">Simple</option> <option value="black">Black</option> <option value="blood">Blood</option&
<select id="theme" onchange="">
<option value="simple">Simple</option>
<option value="black">Black</option>
<option value="blood">Blood</option>
<option value="beige">Beige</option>
<!-- <option value="default">Default</option> -->
<option value="league">League</option>
<option value="moon">Moon</option>
<option value="night">Night</option>
<option value="serif">Serif</option>
<option value="sky">Sky</option>
<option value="solarized">Solarized</option>
</select>
简单的
黑色
血
米色
联盟
月亮
夜
衬线
天空
过度曝光
您可以像这样在更改处理程序上设置值:
var selectTheme = document.getElementById('theme');
selectTheme.addEventListener('change', function(){
localStorage.setItem('theme', this.value);
});
或者干脆
localStorage.setItem('theme', selectTheme.value);
这似乎暂时有效
function setTheme(themeOp){
var Themelink = document.getElementById('ppt').contentWindow.document.getElementById('theme');
var e = document.getElementById("theme");
var option = e.options[e.selectedIndex].value;
localStorage['value'] = option;
console.log('The selected value is: ' + localStorage['value']);
console.log (localStorage.theme);
if (Themelink){
Themelink.setAttribute('href','http://myurl/css/theme/' + localStorage['value'] + '.css');
}
}
这对我有用
<select id="theme" onchange="">
<option value="simple">Simple</option>
<option value="black">Black</option>
<option value="blood">Blood</option>
<option value="beige">Beige</option>
<!-- <option value="default">Default</option> -->
<option value="league">League</option>
<option value="moon">Moon</option>
<option value="night">Night</option>
<option value="serif">Serif</option>
<option value="sky">Sky</option>
<option value="solarized">Solarized</option>
</select>
到目前为止,您尝试了什么?我的想法是这样的:localStorage.setItem(“theme”,themeOp);但在函数中,将值传递给该函数。我不知道当它被设置后我将如何更新它。A1rPun的版本更好:)更改后的效果很好,并且setItem比使用localStorage['value']='bla'更好;嘿,Drew,感谢您分享您的解决方案,但通常不这么做;)请接受对您帮助最大的答案。不工作请使用来显示您的脚本示例
<select id="theme" onchange="">
<option value="simple">Simple</option>
<option value="black">Black</option>
<option value="blood">Blood</option>
<option value="beige">Beige</option>
<!-- <option value="default">Default</option> -->
<option value="league">League</option>
<option value="moon">Moon</option>
<option value="night">Night</option>
<option value="serif">Serif</option>
<option value="sky">Sky</option>
<option value="solarized">Solarized</option>
</select>
$(function(){
$('#theme').change(function() {
var locationName = $('#theme option:selected').val();
localStorage.setItem('locationName', locationName);
});
});