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name 2017-11-13 00:41:52 +03:00
parent cbb09c2df6
commit aff623e234
1 changed files with 4 additions and 3 deletions
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javascript.html.markdown
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@ -186,7 +186,7 @@ someVar = myArray.shift(); // Remove first element and return it
myArray.push(3); // Add as the last element
someVar = myArray.pop(); // Remove last element and return it
// Join all elements of an array with a string
// Join all elements of an array with semicolon
var myArray0 = [32,false,"js",12,56,90];
myArray0.join(";") // = "32;false;js;12;56;90"
@ -194,8 +194,9 @@ myArray0.join(";") // = "32;false;js;12;56;90"
myArray0.slice(1,4); // = [false,"js",12]
// Remove 4 elements starting from index 2, and insert there strings
// "33","34" and "35"; return removed subarray
myArray0.splice(2,4,"33","34","35");
// "hi","wr" and "ld"; return removed subarray
myArray0.splice(2,4,"hi","wr","ld"); // = ["js",12,56,90]
// myArray0 === [32,false,"hi","wr","ld"]
// JavaScript's objects are equivalent to "dictionaries" or "maps" in other
// languages: an unordered collection of key-value pairs.