22 lines
737 B
JavaScript
22 lines
737 B
JavaScript
String.prototype.collapse = function() {
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let str = this;
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for (let i = 0; i < str.length; i++) {
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while (str[i] == str[i+1]) str = str.substr(0,i) + str.substr(i+1);
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}
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return str;
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}
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// testing
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let strings = [
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'',
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'"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',
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'..1111111111111111111111111111111111111111111111111111111111111117777888',
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`I never give 'em hell, I just tell the truth, and they think it's hell. `,
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' --- Harry S Truman '
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];
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for (let i = 0; i < strings.length; i++) {
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let str = strings[i], col = str.collapse();
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console.log(`«««${str}»»» (${str.length})`);
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console.log(`«««${col}»»» (${col.length})`);
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}
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