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  • vue单页面加载js方法

    export function loadScript (url: string[]) {
      // 如果是数组
      const promiseList: Array<Promise<any>> = []
      url.forEach((item) => {
        const p = new Promise((resolve, reject) => {
          const script: any = document.createElement('script')
          script.type = 'text/javascript'
          script.src = item
          script.onload = () => {
            script.onload = null
            script.onerror = null
            resolve()
          }
          script.onerror = () => {
            script.onload = null
            script.onerror = null
            reject()
          }
          const head = document.getElementsByTagName('head')[0];
          (head || document.body).appendChild(script)
        })
        promiseList.push(p)
      })
      return Promise.all(promiseList)
    }

    使用方法:

     loadScript([
          //融云库中的XMLHttpRequest判断在IOS9中有问题IOS9中为object,融云判断的是否为function。2019.10.18
          '/js/libs/RongIMLib-2.3.5.min.js?v2'
        ]).then(() => {
          loadScript([
            '/js/libs/RongEmoji-2.2.7.min.js',
            '/js/libs/Libamr-2.2.5.min.js',
            '/js/libs/RongIMVoice-2.2.6.js'
          ]).then(async () => {
            // do something
          })
        })
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  • 原文地址:https://www.cnblogs.com/binli/p/12796520.html
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