@Contains JavaScript Equivalent

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<div>一般的字串比對</div><div><br></div><div>Example 1: var x = "Hello World".indexOf("World");</div><div>RESULT: x = 6 Example 2: var theString = document.forms[0].fieldName.value;</div><div>var x = theString.indexOf("substring", 0);</div><div><br></div><div><br></div><div><br></div><div>陣列的比對</div><div><br></div><div>----------------------------------------------------------------</div><div>  </div><div>< !DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" > < html > < head ></div><div><br></div><div>< script language = "JavaScript"</div><div>type = "text/javascript" ></div><div></div><div>< /script></div><div></head > < body text = "#000000"</div><div>bgcolor = "#FFFFFF" ></div><div><br></div><div>< form method = "post"</div><div>action = "/Expense/webpayreq.nsf/c3da92087115039f48257bee002f3c7b?OpenForm&amp;Seq=1"</div><div>name = "_DominoForm" > < input type = "hidden"</div><div>name = "__Click"</div><div>value = "0" > < html > < head > < h2 > Use of contains() method < /h2></div><div><script></div><div>Array.prototype.contains = function (element) {</div><div>for (var i = 0; i < this.length; i++) {</div><div>if (this[i] == element) {</div><div>return true;</div><div>}</div><div>}</div><div>return false;</div><div>}</div><div>arr1 = ["Rose", "India", "Technologies"];</div><div>document.write("The condition is " + arr1.contains("India") + "</div><div>");</div><div></script > < /head></div><div><br></div><div><br></div><div><input name="A" value="7020, 7050, 7060, 7070, 7080, 7100, 7150, 7170, 7180, 747, 7600, PAM, LST008" id="A"></div><div><input type="button" onclick=" / / Arrer, String</div><div>function contains(a, obj) {</div><div>        var i = a.length;</div><div>        while (i--) {</div><div>                if (a[i] === obj) {</div><div>                        return true;</div><div>                }</div><div>        }</div><div>        return false;</div><div>}</div><div>var f = document.forms[0];</div><div>var myTextField = document.getElementById('A').value.split( & quot;, & quot;);</div><div>alert(contains(myTextField, '7020'));</div><div>" value="</div><div>function_contains "> </div><div><br></div><div><input name="</div><div>B " value="</div><div>CCX;</div><div>"></div><div><input type="</div><div>button " onclick=" // Arrer ,String function contains(a, obj) { var i = a.length; while (i--) { if (a[i] === obj) { return true; } } return false; } var f=document.forms[0]; var myTextField = document.getElementById('A').value.split(&quot;,&quot;); alert(myTextField.contains('7020'));" value="myTextField.contains"></div><div><br></div><div>< input name = "C"</div><div>value = "HM-JACK; AVOX 4000; CCA-TS; OPTI-R; TCA; Xpress; Connective; BIO-CONNECT; LACT3000; GLU3000; HEMOCHORN S.E.; AccuVein AV300" > < b > [If the specified element is present in the array, it returns true otherwise</div><div>        returns false.</div><div>] < /b></div><div><br></div><div></html > < /form></div><div></body > < /html></div><div><table><tbody><tr><td class="webkit-line-number" value="67"><br></td></tr></tbody></table></div>

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