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Merge pull request #828 from ml242/master

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Use === in js tutorial except once demonstrating ==
This commit is contained in:
Adam Bard 2014-10-27 19:32:39 +02:00
commit 2a6e60d83b
1 changed files with 9 additions and 7 deletions
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@ -77,13 +77,13 @@ false;
!true; // = false !true; // = false
!false; // = true !false; // = true
// Equality is == // Equality is ===
1 == 1; // = true 1 === 1; // = true
2 == 1; // = false 2 === 1; // = false
// Inequality is != // Inequality is !==
1 != 1; // = false 1 !== 1; // = false
2 != 1; // = true 2 !== 1; // = true
// More comparisons // More comparisons
1 < 10; // = true 1 < 10; // = true
@ -97,11 +97,13 @@ false;
// and are compared with < and > // and are compared with < and >
"a" < "b"; // = true "a" < "b"; // = true
// Type coercion is performed for comparisons... // Type coercion is performed for comparisons with double equals...
"5" == 5; // = true "5" == 5; // = true
null == undefined; // = true
// ...unless you use === // ...unless you use ===
"5" === 5; // = false "5" === 5; // = false
null === undefined; // = false
// You can access characters in a string with charAt // You can access characters in a string with charAt
"This is a string".charAt(0); // = 'T' "This is a string".charAt(0); // = 'T'