背景故事:在使用 Microsoft Dynamics CRM 时，我发现了一份来自 Microsoft 的文档，其中指出每个浏览器都有特定的嵌套表格数量限制。

There is a limit to the number of nested steps you can use in a dialog. The limit depends on the browser you’re using and isn’t a limit in Microsoft Dynamics CRM. The nested steps are rendered in the browser as nested tables. Some browsers support more levels of nested tables than others.

Source

我已阅读 this question但它更概括为任何元素，而不是我所看到的表格中的表格。

主要浏览器的现实限制是什么？

根据我的真实示例，我正在查看大约 61 个嵌套表。虽然，我不确定，因为复制整个页面源代码会显示 6 个开口 <table>标签和 61 </table>标签

最佳答案

正如 @Alex 所指出的，Firefox 目前仅限于 33 个嵌套表。跨浏览器，这代表了当前实际的嵌套表限制。您的 61 个嵌套表格目前不会在 Firefox 中呈现。

让我们更进一步，做一个真实的测试。我们可以在每一行打开一个新的嵌套表格，让浏览器填写结束标签:

<table><tr><td>1
<table><tr><td>2
<table><tr><td>3
<table><tr><td>4
<table><tr><td>5
<!-- ad infinitum -->

结果

我测试了 Internet Explorer 11、Firefox(Windows + Android)和 Chrome(Windows + Android)——Edge 和 Safari 也可用于测试。

呈现的大多数嵌套表格

Internet Explorer 11 设法正确呈现 262 个嵌套表格。在浏览器崩溃之前会短暂呈现更多内容。

亚军

Google Chrome(版本 53.0.2785.143 m(64 位))设法呈现 378 个嵌套表格，但只有前 127 个 正确呈现，其余突破最外面的 table 。任何进一步的嵌套表格都会导致选项卡崩溃。此行为在移动设备上是相同的。

最少

Firefox(版本 49.01)只能正确呈现 33 个嵌套表格。下面的嵌套表格根本就没有呈现，即使给了 1000 个嵌套表格，浏览器也没有崩溃。此行为在移动设备上是相同的。

自己试试

这里有 1000 个嵌套表格。 注意:测试所有 1000 个表可能会导致浏览器崩溃。

table {
  border: 1px solid #000;
}

 <table><tr><td>1
 <table><tr><td>2
 <table><tr><td>3
 <table><tr><td>4
 <table><tr><td>5
 <table><tr><td>6
 <table><tr><td>7
 <table><tr><td>8
 <table><tr><td>9
 <table><tr><td>10
 <table><tr><td>11
 <table><tr><td>12
 <table><tr><td>13
 <table><tr><td>14
 <table><tr><td>15
 <table><tr><td>16
 <table><tr><td>17
 <table><tr><td>18
 <table><tr><td>19
 <table><tr><td>20
 <table><tr><td>21
 <table><tr><td>22
 <table><tr><td>23
 <table><tr><td>24
 <table><tr><td>25
 <table><tr><td>26
 <table><tr><td>27
 <table><tr><td>28
 <table><tr><td>29
 <table><tr><td>30
 <table><tr><td>31
 <table><tr><td>32
 <table><tr><td>33
 <table><tr><td>34
 <table><tr><td>35
 <table><tr><td>36
 <table><tr><td>37
 <table><tr><td>38
 <table><tr><td>39
 <table><tr><td>40
 <table><tr><td>41
 <table><tr><td>42
 <table><tr><td>43
 <table><tr><td>44
 <table><tr><td>45
 <table><tr><td>46
 <table><tr><td>47
 <table><tr><td>48
 <table><tr><td>49
 <table><tr><td>50
 <table><tr><td>51
 <table><tr><td>52
 <table><tr><td>53
 <table><tr><td>54
 <table><tr><td>55
 <table><tr><td>56
 <table><tr><td>57
 <table><tr><td>58
 <table><tr><td>59
 <table><tr><td>60
 <table><tr><td>61
 <table><tr><td>62
 <table><tr><td>63
 <table><tr><td>64
 <table><tr><td>65
 <table><tr><td>66
 <table><tr><td>67
 <table><tr><td>68
 <table><tr><td>69
 <table><tr><td>70
 <table><tr><td>71
 <table><tr><td>72
 <table><tr><td>73
 <table><tr><td>74
 <table><tr><td>75
 <table><tr><td>76
 <table><tr><td>77
 <table><tr><td>78
 <table><tr><td>79
 <table><tr><td>80
 <table><tr><td>81
 <table><tr><td>82
 <table><tr><td>83
 <table><tr><td>84
 <table><tr><td>85
 <table><tr><td>86
 <table><tr><td>87
 <table><tr><td>88
 <table><tr><td>89
 <table><tr><td>90
 <table><tr><td>91
 <table><tr><td>92
 <table><tr><td>93
 <table><tr><td>94
 <table><tr><td>95
 <table><tr><td>96
 <table><tr><td>97
 <table><tr><td>98
 <table><tr><td>99
 <table><tr><td>100
 <table><tr><td>101
 <table><tr><td>102
 <table><tr><td>103
 <table><tr><td>104
 <table><tr><td>105
 <table><tr><td>106
 <table><tr><td>107
 <table><tr><td>108
 <table><tr><td>109
 <table><tr><td>110
 <table><tr><td>111
 <table><tr><td>112
 <table><tr><td>113
 <table><tr><td>114
 <table><tr><td>115
 <table><tr><td>116
 <table><tr><td>117
 <table><tr><td>118
 <table><tr><td>119
 <table><tr><td>120
 <table><tr><td>121
 <table><tr><td>122
 <table><tr><td>123
 <table><tr><td>124
 <table><tr><td>125
 <table><tr><td>126
 <table><tr><td>127
 <table><tr><td>128
 <table><tr><td>129
 <table><tr><td>130
 <table><tr><td>131
 <table><tr><td>132
 <table><tr><td>133
 <table><tr><td>134
 <table><tr><td>135
 <table><tr><td>136
 <table><tr><td>137
 <table><tr><td>138
 <table><tr><td>139
 <table><tr><td>140
 <table><tr><td>141
 <table><tr><td>142
 <table><tr><td>143
 <table><tr><td>144
 <table><tr><td>145
 <table><tr><td>146
 <table><tr><td>147
 <table><tr><td>148
 <table><tr><td>149
 <table><tr><td>150
 <table><tr><td>151
 <table><tr><td>152
 <table><tr><td>153
 <table><tr><td>154
 <table><tr><td>155
 <table><tr><td>156
 <table><tr><td>157
 <table><tr><td>158
 <table><tr><td>159
 <table><tr><td>160
 <table><tr><td>161
 <table><tr><td>162
 <table><tr><td>163
 <table><tr><td>164
 <table><tr><td>165
 <table><tr><td>166
 <table><tr><td>167
 <table><tr><td>168
 <table><tr><td>169
 <table><tr><td>170
 <table><tr><td>171
 <table><tr><td>172
 <table><tr><td>173
 <table><tr><td>174
 <table><tr><td>175
 <table><tr><td>176
 <table><tr><td>177
 <table><tr><td>178
 <table><tr><td>179
 <table><tr><td>180
 <table><tr><td>181
 <table><tr><td>182
 <table><tr><td>183
 <table><tr><td>184
 <table><tr><td>185
 <table><tr><td>186
 <table><tr><td>187
 <table><tr><td>188
 <table><tr><td>189
 <table><tr><td>190
 <table><tr><td>191
 <table><tr><td>192
 <table><tr><td>193
 <table><tr><td>194
 <table><tr><td>195
 <table><tr><td>196
 <table><tr><td>197
 <table><tr><td>198
 <table><tr><td>199
 <table><tr><td>200
 <table><tr><td>201
 <table><tr><td>202
 <table><tr><td>203
 <table><tr><td>204
 <table><tr><td>205
 <table><tr><td>206
 <table><tr><td>207
 <table><tr><td>208
 <table><tr><td>209
 <table><tr><td>210
 <table><tr><td>211
 <table><tr><td>212
 <table><tr><td>213
 <table><tr><td>214
 <table><tr><td>215
 <table><tr><td>216
 <table><tr><td>217
 <table><tr><td>218
 <table><tr><td>219
 <table><tr><td>220
 <table><tr><td>221
 <table><tr><td>222
 <table><tr><td>223
 <table><tr><td>224
 <table><tr><td>225
 <table><tr><td>226
 <table><tr><td>227
 <table><tr><td>228
 <table><tr><td>229
 <table><tr><td>230
 <table><tr><td>231
 <table><tr><td>232
 <table><tr><td>233
 <table><tr><td>234
 <table><tr><td>235
 <table><tr><td>236
 <table><tr><td>237
 <table><tr><td>238
 <table><tr><td>239
 <table><tr><td>240
 <table><tr><td>241
 <table><tr><td>242
 <table><tr><td>243
 <table><tr><td>244
 <table><tr><td>245
 <table><tr><td>246
 <table><tr><td>247
 <table><tr><td>248
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 <table><tr><td>251
 <table><tr><td>252
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 <table><tr><td>255
 <table><tr><td>256
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 <table><tr><td>259
 <table><tr><td>260
 <table><tr><td>261
 <table><tr><td>262
 <table><tr><td>263
 <table><tr><td>264
 <table><tr><td>265
 <table><tr><td>266
 <table><tr><td>267
 <table><tr><td>268
 <table><tr><td>269
 <table><tr><td>270
 <table><tr><td>271
 <table><tr><td>272
 <table><tr><td>273
 <table><tr><td>274
 <table><tr><td>275
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 <table><tr><td>280
 <table><tr><td>281
 <table><tr><td>282
 <table><tr><td>283
 <table><tr><td>284
 <table><tr><td>285
 <table><tr><td>286
 <table><tr><td>287
 <table><tr><td>288
 <table><tr><td>289
 <table><tr><td>290
 <table><tr><td>291
 <table><tr><td>292
 <table><tr><td>293
 <table><tr><td>294
 <table><tr><td>295
 <table><tr><td>296
 <table><tr><td>297
 <table><tr><td>298
 <table><tr><td>299
 <table><tr><td>300
 <table><tr><td>301
 <table><tr><td>302
 <table><tr><td>303
 <table><tr><td>304
 <table><tr><td>305
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 <table><tr><td>316
 <table><tr><td>317
 <table><tr><td>318
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 <table><tr><td>320
 <table><tr><td>321
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 <table><tr><td>323
 <table><tr><td>324
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 <table><tr><td>727
 <table><tr><td>728
 <table><tr><td>729
 <table><tr><td>730
 <table><tr><td>731
 <table><tr><td>732
 <table><tr><td>733
 <table><tr><td>734
 <table><tr><td>735
 <table><tr><td>736
 <table><tr><td>737
 <table><tr><td>738
 <table><tr><td>739
 <table><tr><td>740
 <table><tr><td>741
 <table><tr><td>742
 <table><tr><td>743
 <table><tr><td>744
 <table><tr><td>745
 <table><tr><td>746
 <table><tr><td>747
 <table><tr><td>748
 <table><tr><td>749
 <table><tr><td>750
 <table><tr><td>751
 <table><tr><td>752
 <table><tr><td>753
 <table><tr><td>754
 <table><tr><td>755
 <table><tr><td>756
 <table><tr><td>757
 <table><tr><td>758
 <table><tr><td>759
 <table><tr><td>760
 <table><tr><td>761
 <table><tr><td>762
 <table><tr><td>763
 <table><tr><td>764
 <table><tr><td>765
 <table><tr><td>766
 <table><tr><td>767
 <table><tr><td>768
 <table><tr><td>769
 <table><tr><td>770
 <table><tr><td>771
 <table><tr><td>772
 <table><tr><td>773
 <table><tr><td>774
 <table><tr><td>775
 <table><tr><td>776
 <table><tr><td>777
 <table><tr><td>778
 <table><tr><td>779
 <table><tr><td>780
 <table><tr><td>781
 <table><tr><td>782
 <table><tr><td>783
 <table><tr><td>784
 <table><tr><td>785
 <table><tr><td>786
 <table><tr><td>787
 <table><tr><td>788
 <table><tr><td>789
 <table><tr><td>790
 <table><tr><td>791
 <table><tr><td>792
 <table><tr><td>793
 <table><tr><td>794
 <table><tr><td>795
 <table><tr><td>796
 <table><tr><td>797
 <table><tr><td>798
 <table><tr><td>799
 <table><tr><td>800
 <table><tr><td>801
 <table><tr><td>802
 <table><tr><td>803
 <table><tr><td>804
 <table><tr><td>805
 <table><tr><td>806
 <table><tr><td>807
 <table><tr><td>808
 <table><tr><td>809
 <table><tr><td>810
 <table><tr><td>811
 <table><tr><td>812
 <table><tr><td>813
 <table><tr><td>814
 <table><tr><td>815
 <table><tr><td>816
 <table><tr><td>817
 <table><tr><td>818
 <table><tr><td>819
 <table><tr><td>820
 <table><tr><td>821
 <table><tr><td>822
 <table><tr><td>823
 <table><tr><td>824
 <table><tr><td>825
 <table><tr><td>826
 <table><tr><td>827
 <table><tr><td>828
 <table><tr><td>829
 <table><tr><td>830
 <table><tr><td>831
 <table><tr><td>832
 <table><tr><td>833
 <table><tr><td>834
 <table><tr><td>835
 <table><tr><td>836
 <table><tr><td>837
 <table><tr><td>838
 <table><tr><td>839
 <table><tr><td>840
 <table><tr><td>841
 <table><tr><td>842
 <table><tr><td>843
 <table><tr><td>844
 <table><tr><td>845
 <table><tr><td>846
 <table><tr><td>847
 <table><tr><td>848
 <table><tr><td>849
 <table><tr><td>850
 <table><tr><td>851
 <table><tr><td>852
 <table><tr><td>853
 <table><tr><td>854
 <table><tr><td>855
 <table><tr><td>856
 <table><tr><td>857
 <table><tr><td>858
 <table><tr><td>859
 <table><tr><td>860
 <table><tr><td>861
 <table><tr><td>862
 <table><tr><td>863
 <table><tr><td>864
 <table><tr><td>865
 <table><tr><td>866
 <table><tr><td>867
 <table><tr><td>868
 <table><tr><td>869
 <table><tr><td>870
 <table><tr><td>871
 <table><tr><td>872
 <table><tr><td>873
 <table><tr><td>874
 <table><tr><td>875
 <table><tr><td>876
 <table><tr><td>877
 <table><tr><td>878
 <table><tr><td>879
 <table><tr><td>880
 <table><tr><td>881
 <table><tr><td>882
 <table><tr><td>883
 <table><tr><td>884
 <table><tr><td>885
 <table><tr><td>886
 <table><tr><td>887
 <table><tr><td>888
 <table><tr><td>889
 <table><tr><td>890
 <table><tr><td>891
 <table><tr><td>892
 <table><tr><td>893
 <table><tr><td>894
 <table><tr><td>895
 <table><tr><td>896
 <table><tr><td>897
 <table><tr><td>898
 <table><tr><td>899
 <table><tr><td>900
 <table><tr><td>901
 <table><tr><td>902
 <table><tr><td>903
 <table><tr><td>904
 <table><tr><td>905
 <table><tr><td>906
 <table><tr><td>907
 <table><tr><td>908
 <table><tr><td>909
 <table><tr><td>910
 <table><tr><td>911
 <table><tr><td>912
 <table><tr><td>913
 <table><tr><td>914
 <table><tr><td>915
 <table><tr><td>916
 <table><tr><td>917
 <table><tr><td>918
 <table><tr><td>919
 <table><tr><td>920
 <table><tr><td>921
 <table><tr><td>922
 <table><tr><td>923
 <table><tr><td>924
 <table><tr><td>925
 <table><tr><td>926
 <table><tr><td>927
 <table><tr><td>928
 <table><tr><td>929
 <table><tr><td>930
 <table><tr><td>931
 <table><tr><td>932
 <table><tr><td>933
 <table><tr><td>934
 <table><tr><td>935
 <table><tr><td>936
 <table><tr><td>937
 <table><tr><td>938
 <table><tr><td>939
 <table><tr><td>940
 <table><tr><td>941
 <table><tr><td>942
 <table><tr><td>943
 <table><tr><td>944
 <table><tr><td>945
 <table><tr><td>946
 <table><tr><td>947
 <table><tr><td>948
 <table><tr><td>949
 <table><tr><td>950
 <table><tr><td>951
 <table><tr><td>952
 <table><tr><td>953
 <table><tr><td>954
 <table><tr><td>955
 <table><tr><td>956
 <table><tr><td>957
 <table><tr><td>958
 <table><tr><td>959
 <table><tr><td>960
 <table><tr><td>961
 <table><tr><td>962
 <table><tr><td>963
 <table><tr><td>964
 <table><tr><td>965
 <table><tr><td>966
 <table><tr><td>967
 <table><tr><td>968
 <table><tr><td>969
 <table><tr><td>970
 <table><tr><td>971
 <table><tr><td>972
 <table><tr><td>973
 <table><tr><td>974
 <table><tr><td>975
 <table><tr><td>976
 <table><tr><td>977
 <table><tr><td>978
 <table><tr><td>979
 <table><tr><td>980
 <table><tr><td>981
 <table><tr><td>982
 <table><tr><td>983
 <table><tr><td>984
 <table><tr><td>985
 <table><tr><td>986
 <table><tr><td>987
 <table><tr><td>988
 <table><tr><td>989
 <table><tr><td>990
 <table><tr><td>991
 <table><tr><td>992
 <table><tr><td>993
 <table><tr><td>994
 <table><tr><td>995
 <table><tr><td>996
 <table><tr><td>997
 <table><tr><td>998
 <table><tr><td>999
 <table><tr><td>1000

关于html - 主要浏览器的嵌套表格限制是多少？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/39969762/