brightboost
130 lines
2.9 KiB
JavaScript
Executable File
130 lines
2.9 KiB
JavaScript
Executable File
let text = "I love JavaScript!";
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console.log(text.match(/javascript/));
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let text = "I love JavaScript!";
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console.log(text.match(/javascript/i));
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let text = "I love JavaScript!";
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console.log(text.match(/javascript|nodejs|react/i));
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let text = "I love React and JavaScript!";
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console.log(text.match(/javascript|nodejs|react/i));
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let text = "I love React and JavaScript!";
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console.log(text.match(/javascript|nodejs|react/gi));
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let text = "d";
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console.log(text.match(/[abc]/gi));
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console.log(text.match(/[a-zA-Z0-9]/));
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let text = "Just some text.";
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console.log(text.match(/./g));
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let text = "Just some text.";
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console.log(text.match(/\./g));
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let text = "I'm 29 years old.";
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console.log(text.match(/\d/g));
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let text = "Coding is a lot of fun!";
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console.log(text.match(/\s/g));
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let text = "In the end or at the beginning?";
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console.log(text.match(/\bin/gi));
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let text = "I love JavaScript!";
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console.log(text.match(/(love|hate)\s(javascript|spiders)/gi));
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console.log(text.match(/[a-zA-Z0-9][a-zA-Z0-9][a-zA-Z0-9][a-zA-Z0-9]/));
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let text = "123123123";
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console.log(text.match(/(123)+/g));
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let text = "abcabcabcabc";
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console.log(text.match(/(abc){1,2}/));
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let text = "That's not the case.";
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console.log(text.search(/CaSE/i));
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let text = "Coding is fun. Coding opens up a lot of opportunities.";
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console.log(text.replace("Coding", "Javascript"));
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let text = "Coding is fun. Coding opens up a lot of opportunities.";
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console.log(text.replace(/Coding/g, "Javascript"));
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(function () {
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console.log("IIFE!");
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})();
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function test(a, b, c) {
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console.log("first:", a, arguments[0]);
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console.log("second:", a, arguments[1]);
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console.log("third:", a, arguments[2]);
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}
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test("fun", "js", "secrets");
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function test(a, b, c) {
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a = "nice";
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arguments[1] = "JavaScript";
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console.log("first:", a, arguments[0]);
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console.log("second:", a, arguments[1]);
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console.log("third:", a, arguments[2]);
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}
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test("fun", "js", "secrets");
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("use strict");
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var x;
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x = 5;
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console.log(x);
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x = 5;
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console.log(x);
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var x;
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function sayHi() {
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greeting = "Hello!";
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console.log(greeting);
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}
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document.cookie = "name=Maaike;favoriteColor=black";
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let cookie = decodeURIComponent(document.cookie);
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let cookieList = decodedCookie.split(";");
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for (let i = 0; i < cookieList.length; i++) {
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let c = cookieList[i];
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if (c.charAt(0) == " ") {
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c = c.trim();
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}
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if (c.indexOf("name") == 0) {
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return c.substring(4, c.length); //start one later to skip =
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}
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}
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function somethingVeryDangerous() {
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throw Error;
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}
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try {
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somethingVeryDangerous();
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} catch (e) {
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if (e instanceof TypeError) {
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// deal with TypeError exceptions
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} else if (e instanceof RangeError) {
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// deal with RangeError exceptions
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} else if (e instanceof EvalError) {
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// deal with EvalError exceptions
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} else {
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//deal with all other exceptions
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throw e; //rethrow
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}
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}
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try {
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trySomething();
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} catch (e) {
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console.log("Oh oh");
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} finally {
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console.log("Error or no error, I will be logged!");
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}
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