+Variables, JS rules/data conversion - Code World

+Variables, JS rules/data conversion

Others 2021-03-29 04:22:11 views: null

+Variable: This is a rule conversion, which can be understood as Number (variable)

For boolean: true returns 1, false returns 0
For null: return 0
For undefined, put back NaN
-for string, return decimal, ignore the preceding 0, empty string returns 0,

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Origin blog.csdn.net/weixin_45629623/article/details/107795274

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