We set the values of their text nodes to the empty string and 0, respectively.

我们将其文本节点的值分别设为空字符串和0。

youdao

Numeric fields are given the value 0, and string fields have the empty string value.

数值字段被赋以0值，而字符串字段则赋以空字符串值。

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In all other cases where we cannot find the beginning of a tag, we return the empty string.

在无法找到标签开头的其他所有情况下，我们返回一个空字符串。

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One rainy night in Owensboro, Kentucky, the band plays another in a string of miserable shows to a nearly empty house.

FORBES: Behind The Music

They both went in a great hurry, and when they were gone the house seemed dreadfully quiet and empty, and the children wandered from one room to another and looked at the bits of paper and string on the floors left over from the packing, and not yet cleared up, and wished they had something to do.

NPR: Excerpt: 'Five Children and It'