真机上new Image()报错

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真机上new Image()报错是什么原因？

kfdykme

麻烦Log啥的也给下呗

daz

kfdykme 发表于 2019-5-27 15:26 麻烦Log啥的也给下呗

1. onReady() {
2. try {
3. const img = new Image()
4. } catch (error) {
5. console.log(error)
6. }
7. },

复制代码

控制台直接报错

1. ReferenceError: Image is not defined
2. at qe.onReady (eval at ../../../Program Files (:38657/sourcemap/x86)/Quickapp/resources/app/extensions/hap-debugger/node_modules.asar/@hap-toolkit/dsl-xvm/lib/loader/script-loader.js!../../../Program Files (x86)/Quickapp/resources/app/extensions/hap-debugger/node_modules.asar/@hap-toolkit/dsl-xvm/lib/loader/module-loader.js!./node_modules/babel-loader/lib/index.js?cwd=c:\work\c2h4_qapp\c2h4_qapp&cacheDirectory&plugins[]=c:\Program Files (x86)\Quickapp\resources\app\extensions\hap-debugger\node_modules.asar\@hap-toolkit\dsl-xvm\lib\loader\babel-plugin-jsx.js&comments=false!../../../Program Files (x86)/Quickapp/resources/app/extensions/hap-debugger/node_modules.asar/@hap-toolkit/dsl-xvm/lib/loader/access-loader.js!../../../Program Files (x86)/Quickapp/resources/app/extensions/hap-debugger/node_modules.asar/@hap-toolkit/dsl-xvm/lib/loader/fragment-loader.js?index=0&type=script!./src/Demo/index.ux?uxType=page (Demo/index.js:121:1), <anonymous>:32:18)
3. at n.forEach.e (<anonymous>:1:31732)
4. at Array.forEach (<anonymous>)
5. at qe.$emit (<anonymous>:1:31711)
6. at new qe (<anonymous>:1:30511)
7. at Je (<anonymous>:1:38971)
8. at i (<anonymous>:1:41603)
9. at eval (index.ux?1bf8:14)
10. at Object../src/Demo/index.ux?uxType=page (Demo/index.js:132)
11. at __webpack_require__ (Demo/index.js:23)

复制代码

daz

哦哦，需要先创建 canvas的 context