30秒学会 Golang 片段 – FindIndex
Returns the index of the first element in the provided collection that satisfies the provided testin...
Returns the index of the first element in the provided collection that satisfies the provided testin...
Returns the sum value of a list of numbers. Use Iterable.reduce() to sum all the numbers in a list.
Returns all the elements of an array except the last one. Use arr.slice(0,-1) to return all but the ...
Returns every nth element in a list. Use [nth-1::nth] to create a new list that contains every nth e...
Truncates a string up to a specified length. Determine if the string’s length is greater than ...
Clamps n within the inclusive range specified by the boundary values a and b. If n falls within the ...
Returns the first defined, non-null argument. Use Array.prototype.find() and Array.prototype.include...
Calculates the factorial of an integer. Use recursion. If n is less than or equal to 1, return 1. Ot...
Returns the native type of a value. Return ‘undefined’ or ‘null’ if the value is undefined or null. ...
If the text is longer than one line, it will be truncated and end with an ellipsis …. overflow: hidd...