1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
---
title: 'Warning: String.x is deprecated; use String.prototype.x instead'
slug: Web/JavaScript/Reference/Fehler/Deprecated_String_generics
tags:
- JavaScript
- Warning
translation_of: Web/JavaScript/Reference/Errors/Deprecated_String_generics
---
<div>{{jsSidebar("Errors")}}</div>
<h2 id="Fehlermeldung">Fehlermeldung</h2>
<pre class="syntaxbox">Warning: String.charAt is deprecated; use String.prototype.charAt instead
Warning: String.charCodeAt is deprecated; use String.prototype.charCodeAt instead
Warning: String.concat is deprecated; use String.prototype.concat instead
Warning: String.contains is deprecated; use String.prototype.contains instead
Warning: String.endsWith is deprecated; use String.prototype.endsWith instead
Warning: String.includes is deprecated; use String.prototype.includes instead
Warning: String.indexOf is deprecated; use String.prototype.indexOf instead
Warning: String.lastIndexOf is deprecated; use String.prototype.lastIndexOf instead
Warning: String.localeCompare is deprecated; use String.prototype.localeCompare instead
Warning: String.match is deprecated; use String.prototype.match instead
Warning: String.normalize is deprecated; use String.prototype.normalize instead
Warning: String.replace is deprecated; use String.prototype.replace instead
Warning: String.search is deprecated; use String.prototype.search instead
Warning: String.slice is deprecated; use String.prototype.slice instead
Warning: String.split is deprecated; use String.prototype.split instead
Warning: String.startsWith is deprecated; use String.prototype.startsWith instead
Warning: String.substr is deprecated; use String.prototype.substr instead
Warning: String.substring is deprecated; use String.prototype.substring instead
Warning: String.toLocaleLowerCase is deprecated; use String.prototype.toLocaleLowerCase instead
Warning: String.toLocaleUpperCase is deprecated; use String.prototype.toLocaleUpperCase instead
Warning: String.toLowerCase is deprecated; use String.prototype.toLowerCase instead
Warning: String.toUpperCase is deprecated; use String.prototype.toUpperCase instead
Warning: String.trim is deprecated; use String.prototype.trim instead
Warning: String.trimLeft is deprecated; use String.prototype.trimLeft instead
Warning: String.trimRight is deprecated; use String.prototype.trimRight instead
</pre>
<h2 id="Fehlertyp">Fehlertyp</h2>
<p>Warnung. JavaScript unterbricht die Ausführung nicht.</p>
<h2 id="Was_ist_falsch_gelaufen">Was ist falsch gelaufen?</h2>
<p>Die nicht standardisierten generischen {{jsxref("String")}} Methoden sind veraltet und werden in Zukunft gelöscht (keine Browserübergreifende Unterstützung, nur in Firefox verfügbar). <span id="result_box" lang="de"><span>String-Generics stellen String-Instanzmethoden für das String-Objekt bereit, wodurch String-Methoden auf jedes Objekt angewendet werden können.</span></span></p>
<p>Firefox {{bug(1222552)}} dokumentiert das Entfernen von generischen String Methoden.</p>
<h2 id="Beispiele">Beispiele</h2>
<h3 id="Fehlerfälle">Fehlerfälle</h3>
<pre class="brush: js example-bad">var num = 15;
String.replace(num, /5/, '2');</pre>
<h3 id="Gültige_Fälle">Gültige Fälle</h3>
<pre class="brush: js example-good">var num = 15;
String(num).replace(/5/, '2');
</pre>
<h2 id="Shim">Shim</h2>
<p><span id="result_box" lang="de"><span>Das Folgende ist ein Shim zur Unterstützung nicht unterstützender Browser:</span></span></p>
<pre class="brush: js">/*globals define*/
// Assumes all supplied String instance methods already present
// (one may use shims for these if not available)
(function() {
'use strict';
var i,
// We could also build the array of methods with the following, but the
// getOwnPropertyNames() method is non-shimable:
// Object.getOwnPropertyNames(String).filter(function(methodName) {
// return typeof String[methodName] === 'function';
// });
methods = [
'contains', 'substring', 'toLowerCase', 'toUpperCase', 'charAt',
'charCodeAt', 'indexOf', 'lastIndexOf', 'startsWith', 'endsWith',
'trim', 'trimLeft', 'trimRight', 'toLocaleLowerCase', 'normalize',
'toLocaleUpperCase', 'localeCompare', 'match', 'search', 'slice',
'replace', 'split', 'substr', 'concat', 'localeCompare'
],
methodCount = methods.length,
assignStringGeneric = function(methodName) {
var method = String.prototype[methodName];
String[methodName] = function(arg1) {
return method.apply(arg1, Array.prototype.slice.call(arguments, 1));
};
};
for (i = 0; i < methodCount; i++) {
assignStringGeneric(methods[i]);
}
}());</pre>
<h2 id="Siehe_auch">Siehe auch</h2>
<ul>
<li>{{jsxref("String")}}</li>
<li>Es gibt ebenfalls {{jsxref("Global_Objects/Array", "Generische Array Methoden", "#Array_generic_methods", 1)}} (die auch veraltet sind).</li>
</ul>
|
