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JS Bin // source https://jsbin.com/xoqajidofo
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| /* | |
| * The Daily Programmer: Condensing Sentences #319 | |
| * =============================================== | |
| * https://www.reddit.com/r/dailyprogrammer/comments/6grwny/20170612_challenge_319_easy_condensing_sentences/ | |
| * | |
| * My solution to the coding challenge presented by Cody | |
| * and posted on FreeCodeCamp's Youtube channel with | |
| * comments. | |
| * [Video]: https://www.youtube.com/watch?v=bK0o-8GMRss | |
| * | |
| * Learn to code for free and get a developer job: https://www.freecodecamp.com | |
| */ | |
| /* Create a function named condenseSentence. | |
| * You can name you functions whatever you | |
| * like as long as it is a valid JS name. | |
| * (https://stackoverflow.com/questions/1661197/what-characters-are-valid-for-javascript-variable-names) | |
| * | |
| * The function takes one argument, a sentence | |
| * and return a string. | |
| */ | |
| var condenseSentence = function(sentence){ | |
| /* First make an array by spliting the | |
| * sentence where spaces occur (" "). | |
| */ | |
| var words = sentence.split(" "); | |
| /* Now the tricky part, the reduce method. | |
| * | |
| * Once you have an array you can reduce the | |
| * elements with a function. | |
| * | |
| * What reduce does is it iterates through the | |
| * array, allowing you to take the current or | |
| * first element and the next element, apply any | |
| * function on them and pass the result to the | |
| * next element. | |
| * | |
| * Since Array.prototype.reduce() does not change | |
| * the array, we pass the result to our return | |
| * statememnt. We could've also bound the value to | |
| * a variable and returned the variable. | |
| * | |
| * More on reduce https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce | |
| */ | |
| return words.reduce(function(left, right) { | |
| // Left is the current word | |
| // Right is the next word | |
| for(var i = 0; i < left.length; i++) { | |
| /* We iterate over the current word | |
| * and create a substring, geting shorter | |
| * with every iteration. | |
| * | |
| * Say we have a string "freeCodeCamp". | |
| * The results would be: | |
| * > FreeCodeCamp | |
| * > reeCodeCamp | |
| * > eeCodeCamp | |
| * > eCodeCamp | |
| * > CodeCamp | |
| * > odeCamp | |
| * > deCamp | |
| * > eCamp | |
| * > Camp | |
| * > amp | |
| * > mp | |
| * > p | |
| */ | |
| var subString = left.substring(i); | |
| if(right.startsWith(subString)) { | |
| /* If the beginign of the next word | |
| * matches our substring we concatinate | |
| * the first word with the remainder | |
| * of the second word, minus the overlaping | |
| * substring | |
| */ | |
| return left + right.replace(subString, ""); | |
| } | |
| } | |
| /* If no substring matches the second word | |
| * we return both words as a string, seperated | |
| */ | |
| return left + " " + right; | |
| }) | |
| }; | |
| // Testing some example cases | |
| console.log(condenseSentence("Hello world!")); | |
| console.log(condenseSentence("I heard the pastor sing live verses easily.")); | |
| console.log(condenseSentence("Deep episodes of Deep Space Nine came on the television only after the news.")); | |
| console.log(condenseSentence("Digital alarm clocks scare area children.")); | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">/* | |
| * The Daily Programmer: Condensing Sentences #319 | |
| * =============================================== | |
| * https://www.reddit.com/r/dailyprogrammer/comments/6grwny/20170612_challenge_319_easy_condensing_sentences/ | |
| * | |
| * My solution to the coding challenge presented by Cody | |
| * and posted on FreeCodeCamp's Youtube channel with | |
| * comments. | |
| * [Video]: https://www.youtube.com/watch?v=bK0o-8GMRss | |
| * | |
| * Learn to code for free and get a developer job: https://www.freecodecamp.com | |
| */ | |
| /* Create a function named condenseSentence. | |
| * You can name you functions whatever you | |
| * like as long as it is a valid JS name. | |
| * (https://stackoverflow.com/questions/1661197/what-characters-are-valid-for-javascript-variable-names) | |
| * | |
| * The function takes one argument, a sentence | |
| * and return a string. | |
| */ | |
| var condenseSentence = function(sentence){ | |
| /* First make an array by spliting the | |
| * sentence where spaces occur (" "). | |
| */ | |
| var words = sentence.split(" "); | |
| /* Now the tricky part, the reduce method. | |
| * | |
| * Once you have an array you can reduce the | |
| * elements with a function. | |
| * | |
| * What reduce does is it iterates through the | |
| * array, allowing you to take the current or | |
| * first element and the next element, apply any | |
| * function on them and pass the result to the | |
| * next element. | |
| * | |
| * Since Array.prototype.reduce() does not change | |
| * the array, we pass the result to our return | |
| * statememnt. We could've also bound the value to | |
| * a variable and returned the variable. | |
| * | |
| * More on reduce https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce | |
| */ | |
| return words.reduce(function(left, right) { | |
| // Left is the current word | |
| // Right is the next word | |
| for(var i = 0; i < left.length; i++) { | |
| /* We iterate over the current word | |
| * and create a substring, geting shorter | |
| * with every iteration. | |
| * | |
| * Say we have a string "freeCodeCamp". | |
| * The results would be: | |
| * > FreeCodeCamp | |
| * > reeCodeCamp | |
| * > eeCodeCamp | |
| * > eCodeCamp | |
| * > CodeCamp | |
| * > odeCamp | |
| * > deCamp | |
| * > eCamp | |
| * > Camp | |
| * > amp | |
| * > mp | |
| * > p | |
| */ | |
| var subString = left.substring(i); | |
| if(right.startsWith(subString)) { | |
| /* If the beginign of the next word | |
| * matches our substring we concatinate | |
| * the first word with the remainder | |
| * of the second word, minus the overlaping | |
| * substring | |
| */ | |
| return left + right.replace(subString, ""); | |
| } | |
| } | |
| /* If no substring matches the second word | |
| * we return both words as a string, seperated | |
| */ | |
| return left + " " + right; | |
| }) | |
| }; | |
| // Testing some example cases | |
| console.log(condenseSentence("Hello world!")); | |
| console.log(condenseSentence("I heard the pastor sing live verses easily.")); | |
| console.log(condenseSentence("Deep episodes of Deep Space Nine came on the television only after the news.")); | |
| console.log(condenseSentence("Digital alarm clocks scare area children."));</script></body> | |
| </html> |
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Learn more about bidirectional Unicode characters
| /* | |
| * The Daily Programmer: Condensing Sentences #319 | |
| * =============================================== | |
| * https://www.reddit.com/r/dailyprogrammer/comments/6grwny/20170612_challenge_319_easy_condensing_sentences/ | |
| * | |
| * My solution to the coding challenge presented by Cody | |
| * and posted on FreeCodeCamp's Youtube channel with | |
| * comments. | |
| * [Video]: https://www.youtube.com/watch?v=bK0o-8GMRss | |
| * | |
| * Learn to code for free and get a developer job: https://www.freecodecamp.com | |
| */ | |
| /* Create a function named condenseSentence. | |
| * You can name you functions whatever you | |
| * like as long as it is a valid JS name. | |
| * (https://stackoverflow.com/questions/1661197/what-characters-are-valid-for-javascript-variable-names) | |
| * | |
| * The function takes one argument, a sentence | |
| * and return a string. | |
| */ | |
| var condenseSentence = function(sentence){ | |
| /* First make an array by spliting the | |
| * sentence where spaces occur (" "). | |
| */ | |
| var words = sentence.split(" "); | |
| /* Now the tricky part, the reduce method. | |
| * | |
| * Once you have an array you can reduce the | |
| * elements with a function. | |
| * | |
| * What reduce does is it iterates through the | |
| * array, allowing you to take the current or | |
| * first element and the next element, apply any | |
| * function on them and pass the result to the | |
| * next element. | |
| * | |
| * Since Array.prototype.reduce() does not change | |
| * the array, we pass the result to our return | |
| * statememnt. We could've also bound the value to | |
| * a variable and returned the variable. | |
| * | |
| * More on reduce https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce | |
| */ | |
| return words.reduce(function(left, right) { | |
| // Left is the current word | |
| // Right is the next word | |
| for(var i = 0; i < left.length; i++) { | |
| /* We iterate over the current word | |
| * and create a substring, geting shorter | |
| * with every iteration. | |
| * | |
| * Say we have a string "freeCodeCamp". | |
| * The results would be: | |
| * > FreeCodeCamp | |
| * > reeCodeCamp | |
| * > eeCodeCamp | |
| * > eCodeCamp | |
| * > CodeCamp | |
| * > odeCamp | |
| * > deCamp | |
| * > eCamp | |
| * > Camp | |
| * > amp | |
| * > mp | |
| * > p | |
| */ | |
| var subString = left.substring(i); | |
| if(right.startsWith(subString)) { | |
| /* If the beginign of the next word | |
| * matches our substring we concatinate | |
| * the first word with the remainder | |
| * of the second word, minus the overlaping | |
| * substring | |
| */ | |
| return left + right.replace(subString, ""); | |
| } | |
| } | |
| /* If no substring matches the second word | |
| * we return both words as a string, seperated | |
| */ | |
| return left + " " + right; | |
| }) | |
| }; | |
| // Testing some example cases | |
| console.log(condenseSentence("Hello world!")); | |
| console.log(condenseSentence("I heard the pastor sing live verses easily.")); | |
| console.log(condenseSentence("Deep episodes of Deep Space Nine came on the television only after the news.")); | |
| console.log(condenseSentence("Digital alarm clocks scare area children.")); |
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