Answer1215

摘要： Install: npm install -g elementor Then run: webdriver-manager start Lets say if we want to test 'http://angular.github.io/protractor/#/api' page: elem 阅读全文

摘要： We can use: ^: match the beginning $: match the end Let's say we have the string like the following: var str = `12/1/16 12-16-13 11/12/16 12-12-2016`; 阅读全文

摘要： ES6: If you know about the Javascirpt's event loop. You know that any asyns opreations will be throwed to the end to loop, such as 'setTimeout, http c 阅读全文

摘要： Regular Expression Backreferences provide us a method to match a previously captured pattern a second time. For example we have an string, and we want 阅读全文

摘要： Regular Expression Word Boundaries allow to perform "whole word only" searches within our source string. Imaging we have string as follow, and we want 阅读全文

摘要： Let's image tow cases for the following string: var str = `foo foobar foobaz fooboo` First of all: we know how to capture foobar or fooboo: var regex 阅读全文

摘要： We'll capture groups of characters we wish to match, use quantifiers with those groups, and use references to those groups in String.prototype.replace 阅读全文

摘要： Install: npm install ionic cordova -g Create a project with blank template: ionic start <project_name> blank Start: cd <proejct_name> ionic serve Then 阅读全文

摘要： Somtimes, the project might set the commit message guide line, if your commit doesn't meet the requirement, ghook will reject it. If you really not su 阅读全文

摘要： When you want to push your local branch to remote branch, for the first push: git push --set-upstream origin <branch_name> The reason to set 'up-strea 阅读全文