lily wang lilywang711

因安全机制，window.open在safari 浏览器中屏蔽掉了, 解决办法如下

let newTab = window.open()
setTimeout(() => {
  newTab = 'https://www.baidu.com'
}, 500)

Git 比较不同版本文件差异的常用命令格式：

git diff                                       查看尚未暂存的文件更新了哪些部分

git diff filename 查看尚未暂存的某个文件更新了哪些

git diff –cached                    查看已经暂存起来的文件和上次提交的版本之间的差异

git diff –cached filename 查看已经暂存起来的某个文件和上次提交的版本之间的差异

	const gulp = require('gulp')
	const sass = require('gulp-sass')
	const cssnano = require('gulp-cssnano')
	const rename = require('gulp-rename')
	const connect = require('gulp-connect')
	const babel = require('gulp-babel')
	const uglify = require('gulp-uglify-es').default
	const imagemin = require('gulp-imagemin')

	gulp.task('convertCSS', function () {