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RangeError: repeat count must be non-negative - JavaScript | MDN
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RangeError: repeat count must be non-negative

JavaScript "repeat count must be non-negative" String.prototype.repeat() count

js
RangeError: argument out of range
RangeError: repeat count must be non-negative (Firefox)
RangeError: Invalid count value (Chrome)

RangeError

String.prototype.repeat() count 0 Infinity [0, +)

js
"abc".repeat(-1); // RangeError

js
"abc".repeat(0); // ''
"abc".repeat(1); // 'abc'
"abc".repeat(2); // 'abcabc'
"abc".repeat(3.5); // 'abcabcabc' (count )

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    99. TypeError: already executing generator
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    109. TypeError: can't set prototype of this object
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    111. TypeError: cannot use 'in' operator to search for 'x' in 'y'
    112. TypeError: class constructors must be invoked with 'new'
    113. TypeError: cyclic object value
    114. TypeError: derived class constructor returned invalid value x
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    117. TypeError: invalid 'instanceof' operand 'x'
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    122. TypeError: More arguments needed
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