89 lines
2.4 KiB
JavaScript
89 lines
2.4 KiB
JavaScript
const SCRIPTS = require("./scripts.js");
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function reduce(array, combine, start) {
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let current = start;
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for (let element of array) {
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current = combine(current, element);
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}
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return current
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}
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console.log(reduce([1, 2, 3, 4], (a, b) => a + b, 0));
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console.log([1, 2, 3, 4].reduce((a, b) => a + b));
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function characterCount(script) {
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return script.ranges.reduce((count, [from, to]) => {
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return count + (to - from);
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}, 0);
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}
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// console.log(SCRIPTS.reduce((a, b) => {
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// return characterCount(a) < characterCount(b) ? b : a;
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// }));
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// let biggest = null;
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// for (let script of SCRIPTS) {
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// if (biggest == null ||
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// characterCount(biggest) < characterCount(script)) {
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// biggest = script;
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// }
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// }
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// console.log(biggest);
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function average(array){
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return array.reduce((a,b) => a + b) / array.length;
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}
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// console.log(Math.round(average(SCRIPTS.filter(s => !s.living).map(s => s.year))));
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let total = 0, count = 0;
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for (let script of SCRIPTS){
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if(script.living) {
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total += script.year;
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count += 1;
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}
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}
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// console.log(Math.round(total / count));
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function characterScript(code){
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for (let script of SCRIPTS) {
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if (script.ranges.some(([from, to]) => {
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return code >= from && code < to;
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})) {
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return script
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}
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}
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return null;
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}
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console.log(characterScript(1200));
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let roseDragon = "🌹🐉";
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for (let char of roseDragon){
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console.log(char);
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}
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function countBy(items, groupName){
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let counts = [];
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for (let item of items){
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let name = groupName(item);
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let known = counts.find(c => c.name == name);
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if (!known) {
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counts.push({name, count: 1});
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} else {
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known.count++;
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}
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}
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return counts;
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}
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// console.log(countBy([1,2,3,4,5], n => n > 2));
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function textScripts(text){
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let scripts = countBy(text, char => {
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let script = characterScript(char.codePointAt(0));
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return script ? script.name : "none";
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}).filter(({name}) => name != "none");
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let total = scripts.reduce((n, {count}) => n + count, 0);
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if (total == 0){return "No scripts found!"};
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return scripts.map(({name, count}) => {
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return `${Math.round(count * 100 / total)}% ${name}`;
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}).join(", ");
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}
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console.log(textScripts('英国的狗说"woof", 俄罗斯的狗说"тяв"')); |