function saveFormData() {
var formData = {};
var inputs = document.getElementsByTagName('input');
for (var i = 0; i < inputs.length; i++) {
formData[inputs[i].name] = inputs[i].value;
}
localStorage.setItem('formData', JSON.stringify(formData));
}
function loadFormData() {
var formData = JSON.parse(localStorage.getItem('formData'));
var inputs = document.getElementsByTagName('input');
for (var i = 0; i < inputs.length; i++) {
if (formData.hasOwnProperty(inputs[i].name)) {
inputs[i].value = formData[inputs[i].name];
}
}
}
<form>
<label>姓名:</label><input type="text" name="name"><br>
<label>年龄:</label><input type="text" name="age"><br>
<label>性别:</label>
<input type="radio" name="gender" value="male">男
<input type="radio" name="gender" value="female">女
<br>
<button onclick="saveFormData()">保存</button>
<button onclick="loadFormData()">恢复</button>
</form>
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