What is the operation of content-type: application/javascript? How should the response be parsed? - Codes Helper

Interface address:
https://kuaiyinshi.com/api/ku.
for a request like kuaiyinshi.com, the response is
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"//ali2.a.yximgs.com/uhead/AB/2017/07/03/13/BMjAxNzA3MDMxMzQzNTBfODgwNzU4M18xX2hkMzM0XzUyNA==.jpg", "video_url": "//sjymov.a.yximgs.com/upic/2018/06/20/17/:131:125:183:171:210:181:145:149:139:125:184:133:185:129:199:175:116:126:161:188:192:181:145:187:208:126:200:153:117:128:126:162:115:126:199:191:139:180:183:169:210:125:146:133:114:139:199:176:167:125:196:167:151:197:175:179:155:96:126:125:163:105:179:161:114:101:178:160:147:204:179:138:144:99:135:116:166:150:177:203:164:96:177:156:191:156:131:141:191.mp4", "nickname": "\u673a\u8f66\u7537-DF21", "short_id": ":121:104:125:161:143:158:128", "share_url": null, "video_img": "//sjy.a.yximgs.com/upic/2018/06/20/17/BMjAxODA2MjAxNzE3NTRfODgwNzU4M182NzU1NjUyMDA1XzFfMw==_low_Bb57e23716e818476ee60e48639ac59f8.webp", "statistics": {"zan": 1804, "comment": 221, "share": 0, "play": 63699}, "comments": [], "tb_link": null}, {"desc": "\u795d\u6bcf\u4e00\u4e2a\u6709\u7231\u5fc3\u7684\u4eba\u5929\u5929\u5f00\u5fc3\u2764\ufe0f\u2764\ufe0f\n @\u5feb\u624b\u6b63\u80fd\u91cf(O40300005) @\u795e\u79d8\u4eba(O725134)", "avatar": "//ali2.a.yximgs.com/uhead/AB/2018/08/08/19/BMjAxODA4MDgxOTQzMDBfOTk5ODIwNDc0XzFfaGQ2ODRfMTgw_s.jpg", "video_url": "//ydmov.a.yximgs.com/upic/2018/09/10/00/:131:125:183:171:210:181:145:149:142:125:162:133:184:128:145:171:185:125:145:210:192:181:161:191:142:127:146:141:184:129:145:205:113:136:199:205:143:180:199:157:140:126:184:149:114:128:199:210:167:125:163:162:212:197:181:184:140:143:144:116:164:152:178:205:165:147:127:157:139:156:127:135:139:146:177:166:117:104:130:160:115:148:174:205:188:203:126:133:139:97:128.mp4", "nickname": "\u62fe\u5fc6\u751f\u6d3b", "short_id": ":122:105:134:162:140:150:129:139:141", "share_url": null, "video_img": "//yd.a.yximgs.com/upic/2018/09/10/00/BMjAxODA5MTAwMDAxMDhfOTk5ODIwNDc0Xzc5NzI3NjQ1MzhfMV8z_low_B65ddb4888a4aac19b32a1c687a3b0643.webp", "statistics": {"zan": 1551, "comment": 18, "share": 0, "play": 21641}, "comments": [], "tb_link": null}, {"desc": "\u6211\u53c8\u6765\u6577\u884d\u4f60\u4eec\u55bd", "avatar": "//ali2.a.yximgs.com/uhead/AB/2018/05/23/15/BMjAxODA1MjMxNTM5NTRfNDcxMzQxNTRfMl9oZDU2Nl8yMzU=_s.jpg", "video_url": "//sjymov.a.yximgs.com/upic/2018/08/21/17/:131:125:183:171:210:181:145:149:141:125:184:137:185:129:199:171:115:125:183:188:192:180:145:183:209:125:200:149:185:129:161:188:167:126:199:205:209:179:145:161:142:125:200:133:184:129:126:162:186:136:199:183:151:197:181:184:140:143:144:117:115:148:132:208:114:96:174:162:144:159:125:137:137:102:179:119:165:106:133:162:167:98:126:159:142:153:133:182:189:149:179.mp4", "nickname": "\u82b1\u854a\u6b27\u5c3c\ud83c\udf3a", "short_id": ":117:103:126:157:142:151:130:136", "share_url": null, "video_img": "//sjy.a.yximgs.com/upic/2018/08/21/17/BMjAxODA4MjExNzA2MjRfNDcxMzQxNTRfNzcwMDM5MzAwN18yXzM=_low_B4a2d8e85ab713d6fed0855577799ff5f.webp", "statistics": {"zan": 800, "comment": 124, "share": 0, "play": 16615}, "comments": [], "tb_link": null}, {"desc": "\u63a5\u4eb2\u8d70\u8d77", "avatar": "//ali2.a.yximgs.com/uhead/AB/2017/11/01/15/BMjAxNzExMDExNTUxMjNfMTA5NzE1ODUyXzFfaGQ5MzFfMzc2_s.jpg", "video_url": "//txmov2.a.yximgs.com/upic/2018/08/18/06/:131:125:183:171:210:181:145:149:141:125:162:171:184:129:183:183:184:125:183:196:192:179:161:149:142:126:200:137:114:130:145:191:186:136:199:205:140:180:145:183:211:125:146:167:116:130:161:196:167:125:185:162:212:197:181:184:140:143:144:167:167:103:178:161:115:96:131:156:188:201:129:182:140:150:178:168:116:105:179:158:114:150:177:156:145:153:178:185:138:96:128.mp4", "nickname": "\u5eca\u574a\u79cb\u98ce", "short_id": ":114:96:134:161:139:155:133:137:139", "share_url": null, "video_img": "//tx2.a.yximgs.com/upic/2018/08/18/06/BMjAxODA4MTgwNjMwMjZfMTA5NzE1ODUyXzc2NDczMDc3OTZfMl8z_low_B9f8dbc660278688921c1ec2962caec6c.webp", "statistics": {"zan": 28281, "comment": 2299, "share": 0, "play": 1336707}, "comments": [], "tb_link": null}, {"desc": "\u6700\u8fdc\u53ef\u4ee5\u98de3000\u7c73\uff0c\u8fd9\u4e48\u5b9e\u7528\uff0c\u8fd8\u4e0d\u5feb\u6536\u85cf\u4e00\u4e0b\u2764\ufe0f", "avatar": "//ali2.a.yximgs.com/uhead/AB/2018/08/16/02/BMjAxODA4MTYwMjE3MzdfNzk0NTY3MzQ2XzFfaGQ3MTdfOTgy_s.jpg", "video_url": "//tx2.a.yximgs.com/upic/2018/10/16/18/:131:125:183:171:210:181:145:153:208:125:162:157:185:130:145:187:185:125:145:176:192:180:199:191:137:126:162:157:116:128:199:187:115:136:199:209:138:181:161:161:139:127:162:153:117:129:145:196:167:125:163:162:212:197:175:179:155:103:127:117:166:103:125:158:163:103:174:163:143:150:175:184:146:104:179:170:115:102:174:205:166:103:129:157:191:204:129:139:189.mp4", "nickname": "\u523a\u6fc0\u6218\u573a\u767d\u9662\u957f\u2728", "short_id": ":120:105:129:159:144:157:128:136:143", "share_url": null, "video_img": "//tx2.a.yximgs.com/upic/2018/10/16/18/BMjAxODEwMTYxODQxMDFfNzk0NTY3MzQ2Xzg0OTM2OTU4NDZfMV8z_B30f5276668fab6cc26707e94a454d310.jpg", "statistics": {"zan": 54830, "comment": 1108, "share": 0, "play": 848599}, "comments": [{"text": "\u544a\u8bc9\u4f60\u6211\u4e0d\u70b9\u7231\u5fc3\u8fd8\u53ef\u4e00\u770b", "create_time": 1539693783, "nickname": "\u5173\u4e8e\u5189g", "zan": 0, "avatar": "//tx2.a.yximgs.com/uhead/AB/2018/10/11/20/BMjAxODEwMTEyMDAzNDRfOTgyMzU4ODk0XzJfaGQyNzVfNzY3_s.jpg", "short_id": 794567346}, {"text": "\u56de\u590d \u987e\u6600 \u523a\u6fc0\u6218\u573a\uff1a\u7b49\u4eba\u5f00\u8239\u6765\u7136\u540e\u5f00\u4ed6\u8239\u8d70<img width=\"14\" class=\"emoji\" src=\"//static.yximgs.com/s1/archive/i/emoji/2x/1f602.png\">", "create_time": 1539693668, "nickname": "\u6211\u7238 .", "zan": 0, "avatar": "//js2.a.yximgs.com/uhead/AB/2018/04/04/17/BMjAxODA0MDQxNzU1MDVfMjM0NDcxMDI4XzJfaGQxODlfNDQw_s.jpg", "short_id": 794567346}, {"text": "\u95ee\u9898\u662f\u98de\u5230\u51fa\u751f\u5c9b\uff0c\u600e\u4e48\u56de\u6765\u5417\uff1f", "create_time": 1539693595, "nickname": "<img width=\"14\" class=\"emoji\" src=\"//static.yximgs.com/s1/archive/i/emoji/2x/2728.png\">`\u5f00\u5fc3<img width=\"14\" class=\"emoji\" src=\"//static.yximgs.com/s1/archive/i/emoji/2x/1f48d.png\">\u5c31\u597d`<img width=\"14\" class=\"emoji\" src=\"//static.yximgs.com/s1/archive/i/emoji/2x/2728.png\">", "zan": 0, "avatar": "//tx2.a.yximgs.com/uhead/AB/2018/05/17/20/BMjAxODA1MTcyMDQ0NDRfNDc1MDQ1MTMwXzJfaGQyNzJfMTky_s.jpg", "short_id": 794567346}, {"text": "\u6700\u597d\u4e0d\u8981\u8fd9\u6837\u56de\u6765\u7684\u65f6\u5019\u5c31\u6709\u95ee\u9898\u4e86", "create_time": 1539693570, "nickname": "\u5f7c\u5cb8\u83f2\u83f2782", "zan": 0, "avatar": "//tx2.a.yximgs.com/uhead/AB/2018/06/02/20/BMjAxODA2MDIyMDM1MDFfOTczMDE5Nzg1XzJfaGQ5MDRfMjcx_s.jpg", "short_id": 794567346}, {"text": "\u5b66\u8d39\u592a\u8d35 \uff0c\u4e0d\u5b66\u4e86", "create_time": 1539693317, "nickname": "\u4f60\u4e30\u633a\u51fa\u8272\uff08\u72ec\uff09", "zan": 0, "avatar": "//tx2.a.yximgs.com/uhead/AB/2018/10/07/18/BMjAxODEwMDcxODM2MjJfNDI4MzcwMDE5XzJfaGQ3Ml8zOTg=_s.jpg", "short_id": 794567346}], "tb_link": null}]});
what kind of operation is this?