JS实现html元素中存JSON数据

var json="{"PSDH":""+v.PSDH+"", "DDMXBH":""+v.DDMXBH+"", "FPBH":""+v.FPBH+"", "FPDM":""+v.FPDM+"", "FPH":""+v.FPH+"", "QYBM":""+v.QYBM+"", "FPYSJG":"1", "FPHSZJE":""+v.FPHSZJE+""}";

<input type='checkbox' value= \""+json+"\"  />