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Merge pull request #828 from ml242/master
Use === in js tutorial except once demonstrating ==
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2a6e60d83b
@ -77,13 +77,13 @@ false;
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!true; // = false
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!true; // = false
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!false; // = true
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!false; // = true
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// Equality is ==
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// Equality is ===
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1 == 1; // = true
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1 === 1; // = true
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2 == 1; // = false
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2 === 1; // = false
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// Inequality is !=
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// Inequality is !==
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1 != 1; // = false
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1 !== 1; // = false
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2 != 1; // = true
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2 !== 1; // = true
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// More comparisons
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// More comparisons
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1 < 10; // = true
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1 < 10; // = true
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@ -97,11 +97,13 @@ false;
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// and are compared with < and >
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// and are compared with < and >
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"a" < "b"; // = true
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"a" < "b"; // = true
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// Type coercion is performed for comparisons...
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// Type coercion is performed for comparisons with double equals...
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"5" == 5; // = true
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"5" == 5; // = true
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null == undefined; // = true
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// ...unless you use ===
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// ...unless you use ===
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"5" === 5; // = false
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"5" === 5; // = false
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null === undefined; // = false
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// You can access characters in a string with charAt
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// You can access characters in a string with charAt
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"This is a string".charAt(0); // = 'T'
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"This is a string".charAt(0); // = 'T'
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