怎么用js生成二维json? 像这样格式的json:{{"a":1,"b":2},{"c":3,"d":4}}而且要元素个数不固定。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 var json = [{"a":1,"b":2},{"c":3,"d":4}]; 我的意思是:{"a":1,"b":2}这个元素的个数不固定,有可能生成了以后还要修改/添加。即:有可能是[{"a":1,"b":2},{"c":3,"d":4}],也有可能是[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4}],也有可能是[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2}]。然后还有可能在生成之后删掉其中n组元素,变成:[{"a":1,"b":2}],也可能增加n组元素,变成:[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2},{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2}]。 var json = [{"a":1,"b":2},{"c":3,"d":4}];//增加var o = {"a": 5, "b":6};json.push(o);//删除json.splice(1, 1); HTML 代码:<p id="results"><b>Results: </b> </p><form> <select name="single"> <option>Single</option> <option>Single2</option> </select> <select name="multiple" multiple="multiple"> <option selected="selected">Multiple</option> <option>Multiple2</option> <option selected="selected">Multiple3</option> </select><br/> <input type="checkbox" name="check" value="check1"/> check1 <input type="checkbox" name="check" value="check2" checked="checked"/> check2 <input type="radio" name="radio" value="radio1" checked="checked"/> radio1 <input type="radio" name="radio" value="radio2"/> radio2</form>jQuery 代码:$("#results").append( "<tt>" + $("form").serialize() + "</tt>" );jQuery手册:Ajax->其它->Stringserialize() 如何让table的边框有淡入淡出的效果? 用html写的算法 包含库文件 有没有只用javascript实现的浏览图片的网页的例子啊~~ 如何获得二维数组第二维的长度? 高分求js树!!!!!!!!! 如何将指定的字符串替换掉? 用的框架上有两个页面(.jsp文件),怎样实现在一个页面上点击一个按钮,在另一个页面上做出反应 急问,javascript中的onclick函数在mozilla浏览器中不能执行。 简单问题~~! jquery 绑定多个点击事件 jquery校验问题
即:有可能是[{"a":1,"b":2},{"c":3,"d":4}],也有可能是[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4}],也有可能是[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2}]。然后还有可能在生成之后删掉其中n组元素,变成:[{"a":1,"b":2}],也可能增加n组元素,变成:[{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2},{"a":1,"b":2},{"c":3,"d":4},{"c":3,"d":4},{"a":1,"b":2}]。
var o = {"a": 5, "b":6};
json.push(o);//删除
json.splice(1, 1);
HTML 代码:
<p id="results"><b>Results: </b> </p>
<form>
<select name="single">
<option>Single</option>
<option>Single2</option>
</select>
<select name="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select><br/>
<input type="checkbox" name="check" value="check1"/> check1
<input type="checkbox" name="check" value="check2" checked="checked"/> check2
<input type="radio" name="radio" value="radio1" checked="checked"/> radio1
<input type="radio" name="radio" value="radio2"/> radio2
</form>jQuery 代码:
$("#results").append( "<tt>" + $("form").serialize() + "</tt>" );jQuery手册:Ajax->其它->Stringserialize()