var pa ="<div class="c_b_ew3 jf12" id="jobAds"> <span id="1029"></span> <em><a href="/job/?param7503=1&from=yjs_zhaopin" tongji_tag="zp_yjszq" rel="nofollow">应届生专区</a></em><em><a href="/job/?param6693=8&from=baocz_zhaopin" rel="nofollow">包吃住专区</a></em><a href="/zptaobao/" class="mr0">淘宝店招聘</a><br/> </div>";
如上所示，在每行字符串后加入’’表示换行。
转载：
https://blog.csdn.net/goon202/article/details/46885943