我为我的班级做了一些工作，我想我可以提供帮助，因为我是一名新手。它是一个查找器html + javascript + json
我得到它来搜索确切的数字，因为如果你寻找＆＃34; 0202＆＃34;结果显示为＆＃34; 102021＆＃34;并需要找到确切的数字
我感谢任何帮助
这是代码：
var globalbusqueda;
function reemplazar(cadena, busca, reemplaza) {
while (cadena.toString().indexOf(busca) != -1) cadena = cadena.toString().replace(busca, reemplaza);
return cadena
}
function ncaracteres(cadena) {
return cadena.length
}
window.onload = function () {
window.scrollTo(0, 0);
var that = null;
var jsearch = function () {
this.automatically = false;
this.items = [];
this.itemsFound = [];
this.totalPages = 0;
this.currentPaginator = 0;
this.busy = false;
this.latesSearch = null;
this.blockScreen = true;
this.move = false;
this.ismobile = this.detectBrowser();
that = this
};
jsearch.prototype.init = function () {
document.body.addEventListener("touchmove", function (e) {
if (that.blockScreen) e.preventDefault()
}, false);
if (!this.ismobile) document.documentElement.style.overflow = "scroll";
function getHTTPObject() {
if (typeof XMLHttpRequest !== "undefined") return new XMLHttpRequest;
try {
return new ActiveXObject("Msxml2.XMLHTTP")
} catch (e) {
try {
return new ActiveXObject("Microsoft.XMLHTTP")
} catch (e) {}
}
return false
}
var url = null;
if (this.automatically) url = "js/databasefolder.js?v=" + (new Date).getTime();
else url = "js/db.JSON?v=" + (new Date).getTime();
this.get("loading").style.display = "block";
var http = getHTTPObject();
http.open("GET", url, false);
http.onreadystatechange = function () {
if (http.readyState === 4) {
that.items = JSON.parse(http.responseText);
that.show()
}
};
http.send(null)
};
jsearch.prototype.show = function () {
this.get("loading").style.display = "none";
this.get("wrapper").style.display = "block";
this.get("found").style.display = "block";
this.get("paginator").style.display = "block";
setTimeout(function () {
that.addClass(that.get("wrapper"), "initWeb");
that.listeners();
setTimeout(function () {
that.blockScreen = false;
withSlopeFinite(that.get("found"))
}, 1)
}, 1)
};
jsearch.prototype.listeners = function () {
var element = that.get("searchForm");
if (element.addEventListener) element.addEventListener("submit", submitForm, false);
else if (element.attachEvent) element.attachEvent("onsubmit", submitForm, false);
function submitForm(eventObject) {
if (eventObject.preventDefault) eventObject.preventDefault();
else if (window.event) window.event.returnValue = false;
var valueSearch = document.forms.searchForm.search.value;
cantidadcaracteres = ncaracteres(valueSearch);
if (cantidadcaracteres >= 3) {
valueSearch = reemplazar(valueSearch, ".", "");
globalbusqueda = valueSearch;
var validateSearch = that.trim(valueSearch);
if (!that.busy && (validateSearch !== "" && that.latesSearch !== validateSearch)) {
that.busy = true;
that.find()
}
}
}
var arrowPrevious = this.get("arrowPrevious");
arrowPrevious.addEventListener("click", function () {
var isDisabled = that.hasClass(this, "disabled");
if (!isDisabled && that.move) {
that.move = false;
window.scrollTo(0, 0);
that.get("section" + that.currentPaginator).style.display = "none";
that.currentPaginator--;
that.get("section" + that.currentPaginator).style.display = "inline-block";
that.get("currentPages").innerHTML = "Página " + that.currentPaginator + " de " + that.totalPages;
if (that.currentPaginator === 1) that.addClass(this, " disabled");
if (that.currentPaginator < that.totalPages) that.removeClass(that.get("arrowNext"), "disabled");
that.move = true
}
});
var arrowNext = this.get("arrowNext");
arrowNext.addEventListener("click", function () {
var isDisabled = that.hasClass(this, "disabled");
if (!isDisabled && that.move) {
that.move = false;
window.scrollTo(0, 0);
that.get("section" + that.currentPaginator).style.display = "none";
that.currentPaginator++;
that.get("section" + that.currentPaginator).style.display = "inline-block";
that.get("currentPages").innerHTML = "Página " + that.currentPaginator + " de " + that.totalPages;
if (that.totalPages == that.currentPaginator) that.addClass(this, " disabled");
if (that.currentPaginator > 1) that.removeClass(that.get("arrowPrevious"), "disabled");
that.move = true
}
})
};
jsearch.prototype.find = function () {
this.get("loading").style.display = "block";
if (this.ismobile) document.forms.searchForm.search.blur();
this.itemsFound = [];
this.removeClass(this.get("paginator"), "initWeb");
this.removeClass(this.get("found"), "initWeb");
this.addClass(this.get("logo"), "closeLogo");
setTimeout(function () {
var matchString = globalbusqueda;
that.latesSearch = matchString;
if (that.items.length > 0)
for (var k in that.items) {
if (that.items[k].title.toLowerCase().match(matchString.toLowerCase()) || (that.items[k].description.toLowerCase().match(matchString.toLowerCase()) || that.items[k].claves.toLowerCase().match(matchString.toLowerCase()) || that.items[k].original.toLowerCase().match(matchString.toLowerCase()))) that.itemsFound.push(that.items[k]);
if (k == that.items.length - 1) {
that.get("loading").style.display = "none";
that.appendElements(that.itemsFound)
}
} else {
that.busy = false;
that.get("loading").style.display = "none";
that.get("found").innerHTML = '<div class="alert alert-info">¡No se encontraron resultados!</div>';
that.addClass(that.get("found"), "initWeb")
}
}, 1E3)
};
jsearch.prototype.appendElements = function () {
this.resetPaginator();
this.get("found").innerHTML = "";
var totalData = this.itemsFound.length;
var show = 10;
var amountToSee = totalData / show;
amountToSee = amountToSee.toString();
amountToSee = amountToSee.split(".");
if (amountToSee[1]) {
if (amountToSee[0] == 0) this.addClass(this.get("arrowNext"), " disabled");
else this.addClass(this.get("paginator"), "initWeb");
amountToSee = amountToSee[0];
amountToSee++;
this.totalPages = amountToSee
} else if (amountToSee[0] == 0) {
this.get("found").innerHTML = '<div class="alert alert-info">¡No se encontraron resultados!</div>';
this.addClass(this.get("found"), "initWeb")
} else {
if (amountToSee[0] == 1) this.removeClass(this.get("arrowNext"), "disabled");
this.totalPages = amountToSee
}
var current = 0;
for (var s = 1; s <= amountToSee; s++) {
var divFound = this.get("found");
divFound.innerHTML = divFound.innerHTML + '<div id="section' + s + '" class="itemResult"></div>';
for (var i = current * show; i <= show * s - 1; i++)
if (that.itemsFound[i]) {
var divSection = this.get("section" + s);
divSection.innerHTML = divSection.innerHTML + '<div class="itemResultado"><a target="_parent" href=' + that.itemsFound[i].link + ">" + that.itemsFound[i].title + '<div class="linkGreen">' + that.itemsFound[i].link + "</div><div class='linkBlue'>" + that.itemsFound[i].original + "</div></a></div>" + that.itemsFound[i].description + "<br></div></div>" ;
if (i == show * s - 1) current++
}
if (amountToSee == s) {
this.get("currentPages").innerHTML = "Página " + that.currentPaginator + " de " + that.totalPages;
that.addClass(this.get("found"), "initWeb");
that.addClass(this.get("paginator"), "initWeb");
setTimeout(function () {
that.move = true
}, 1E3)
}
}
};
jsearch.prototype.resetPaginator = function () {
this.totalPages = 0;
this.currentPaginator = 1;
this.get("currentPages").innerHTML = "Página " + this.currentPaginator;
this.removeClass(this.get("arrowNext"), "disabled");
var isDisabled = this.hasClass(that.get("arrowPrevious"), "disabled");
if (!isDisabled) that.addClass(this.get("arrowPrevious"), " disabled");
this.busy = false
};
jsearch.prototype.addItem = function (title, link, original, description, claves) {
this.items.push({
"title": title,
"link": link,
"original": original,
"description": description,
"claves": claves
})
};
jsearch.prototype.hasClass = function (ele, cls) {
return ele.className.match(new RegExp("(\\s|^)" + cls + "(\\s|$)"))
};
jsearch.prototype.addClass = function (ele, cls) {
if (!this.hasClass(ele, cls)) ele.className += cls
};
jsearch.prototype.removeClass = function (ele, cls) {
if (this.hasClass(ele, cls)) {
var reg = new RegExp("(\\s|^)" + cls + "(\\s|$)");
ele.className = ele.className.replace(reg, "");
}
};
jsearch.prototype.trim = function (string) {
return string.replace(/^\s+/g, "").replace(/\s+$/g, "")
};
jsearch.prototype.get = function (obj) {
return document.getElementById(obj)
};
jsearch.prototype.detectBrowser = function () {
var ismobile = /iphone|ipod|android|blackberry|opera|mini|windows\sce|palm|smartphone|iemobile|msie/i.test(navigator.userAgent.toLowerCase());
return ismobile
};
search = new jsearch;
search.init()
};
答案 0 :(得分：0)
您正在使用.match()将搜索字符串与正则表达式匹配的值进行比较。您应该使用==进行精确比较。
var matchLower = matchString.toLowerCase();
if (that.items[k].title.toLowerCase().match == matchLower || (that.items[k].description.toLowerCase() == matchLower || that.items[k].claves.toLowerCase() == matchLower || that.items[k].original.toLowerCase() == matchLower)
that.itemsFound.push(that.items[k]);