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Update challenge to use higher numbers as array elements

pull/13984/head
MANISH-GIRI 2017-03-17 20:27:15 -04:00
parent 15ab1b8654
commit a60b1debd0
1 changed files with 12 additions and 12 deletions
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24
seed/challenges/02-javascript-algorithms-and-data-structures/basic-javascript.json
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@ -1810,18 +1810,18 @@
"We can access the data inside arrays using <code>indexes</code>.",
"Array indexes are written in the same bracket notation that strings use, except that instead of specifying a character, they are specifying an entry in the array. Like strings, arrays use <dfn>zero-based</dfn> indexing, so the first element in an array is element <code>0</code>.",
"<strong>Example</strong>",
"<blockquote>var array = [1,2,3];<br>array[0]; // equals 1<br>var data = array[1]; // equals 2</blockquote>",
"<blockquote>var array = [50,60,70];<br>array[0]; // equals 50<br>var data = array[1]; // equals 60</blockquote>",
"<strong>Note</strong><br>There shouldn't be any spaces between the array name and the square brackets, like <code>array [0]</code>. Although JavaScript is able to process this correctly, this may confuse other programmers reading your code.",
"<hr>",
"Create a variable called <code>myData</code> and set it to equal the first value of <code>myArray</code> using bracket notation."
],
"challengeSeed": [
"// Example",
"var ourArray = [1,2,3];",
"var ourData = ourArray[0]; // equals 1",
"var ourArray = [50,60,70];",
"var ourData = ourArray[0]; // equals 50",
"",
"// Setup",
"var myArray = [1,2,3];",
"var myArray = [50,60,70];",
"",
"// Only change code below this line.",
""
@ -1830,7 +1830,7 @@
"if(typeof myArray !== \"undefined\" && typeof myData !== \"undefined\"){(function(y,z){return 'myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z);})(myArray, myData);}"
],
"solutions": [
"var myArray = [1,2,3];\nvar myData = myArray[0];"
"var myArray = [50,60,70];\nvar myData = myArray[0];"
],
"tests": [
"assert((function(){if(typeof myArray !== 'undefined' && typeof myData !== 'undefined' && myArray[0] === myData){return true;}else{return false;}})(), 'message: The variable <code>myData</code> should equal the first value of <code>myArray</code>.');",
@ -1860,18 +1860,18 @@
"description": [
"Unlike strings, the entries of arrays are <dfn>mutable</dfn> and can be changed freely.",
"<strong>Example</strong>",
"<blockquote>var ourArray = [3,2,1];<br>ourArray[0] = 1; // equals [1,2,1]</blockquote>",
"<blockquote>var ourArray = [50,40,30];<br>ourArray[0] = 15; // equals [15,40,30]</blockquote>",
"<strong>Note</strong><br>There shouldn't be any spaces between the array name and the square brackets, like <code>array [0]</code>. Although JavaScript is able to process this correctly, this may confuse other programmers reading your code.",
"<hr>",
"Modify the data stored at index <code>0</code> of <code>myArray</code> to a value of <code>3</code>."
"Modify the data stored at index <code>0</code> of <code>myArray</code> to a value of <code>45</code>."
],
"challengeSeed": [
"// Example",
"var ourArray = [1,2,3];",
"ourArray[1] = 3; // ourArray now equals [1,3,3].",
"var ourArray = [18,64,99];",
"ourArray[1] = 45; // ourArray now equals [18,45,99].",
"",
"// Setup",
"var myArray = [1,2,3];",
"var myArray = [18,64,99];",
"",
"// Only change code below this line.",
"",
@ -1881,10 +1881,10 @@
"if(typeof myArray !== \"undefined\"){(function(){return myArray;})();}"
],
"solutions": [
"var myArray = [1,2,3];\nmyArray[0] = 3;"
"var myArray = [18,64,99];\nmyArray[0] = 45;"
],
"tests": [
"assert((function(){if(typeof myArray != 'undefined' && myArray[0] == 3 && myArray[1] == 2 && myArray[2] == 3){return true;}else{return false;}})(), 'message: <code>myArray</code> should now be [3,2,3].');",
"assert((function(){if(typeof myArray != 'undefined' && myArray[0] == 45 && myArray[1] == 64 && myArray[2] == 99){return true;}else{return false;}})(), 'message: <code>myArray</code> should now be [45,64,99].');",
"assert((function(){if(code.match(/myArray\\[0\\]\\s*=\\s*/g)){return true;}else{return false;}})(), 'message: You should be using correct index to modify the value in <code>myArray</code>.');"
],
"type": "waypoint",