36 lines
754 B
Plaintext
36 lines
754 B
Plaintext
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Array.prototype.toString = function() {
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var r = "["
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for (var idx = 0; idx < this.length; idx = idx + 1) {
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if (idx > 0)
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r = r + ", "
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r = r + this[idx].toString()
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}
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return r + "]"
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}
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Array.prototype.push = function(x) {
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this[this.length] = x
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this.length = this.length + 1
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return x
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}
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Array.prototype.pop = function() {
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var r = this[this.length - 1]
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this[this.length - 1] = undefined
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this.length = this.length - 1
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return r
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}
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Array.prototype.join = function(delim) {
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var r = ""
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for (var idx = 0; idx < this.length; idx++) {
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if (idx > 0)
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r += delim
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r += this[idx]
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}
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return r
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}
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Array.prototype.concat = function(xs) {
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for (var idx = 0; idx < xs.length; idx++)
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this.push(xs[idx])
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return this
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}
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