hoody.js

var j = JSON.parse('{"currentRow":-1,"rows":[[{"name":"sys_created_by","value":"admin"},{"name":"sys_created_on","value":"2017-06-02 17:47:50"},{"name":"sys_id","value":"e6f247eedb433200f93cddd0cf961923"},{"name":"sys_mod_count","value":"2"},{"name":"sys_updated_by","value":"admin"},{"name":"sys_updated_on","value":"2017-06-05 14:34:30"},{"name":"u_asset","value":"false"},{"name":"u_category","value":"Hardware"},{"name":"u_change","value":"false"},{"name":"u_customer_case","value":"false"},{"name":"u_hr_case","value":"false"},{"name":"u_incident","value":"true"},{"name":"u_problem","value":"false"},{"name":"u_subcategory","value":"CPU,GPU"},{"name":"u_task","value":"false"}]],"conditions":[{"name":"u_category","oper":"=","value":"Hardware"}],"encodedQuery":"","orderByFields":[],"orderByDescFields":[],"displayFields":[],"maxQuerySize":-1,"_wantSessionMessages":true,"tableName":"u_table_category"}');
var my_array = j['rows'][0];
var cpu;
for(var i=0;i<my_array.length;i++){
  if(my_array[i]['value']==="CPU,GPU"){
    cpu = my_array[i];
    break;
  }
}

console.log(cpu);