Error installing lodash using npm

npm version: 4.6.1 (the previous npm version was 6, so I downgraded npm because the installation of lodash was not successful)

install lodash: according to the steps on the official website
official website address:

ladash can also be used in lodash, code when it appears in the packjson file

    let _ = require("lodash");
      // :https://www.lodashjs.com/
      //http://www.css88.com/doc/lodash/-sharp_debouncefunc-wait0-options
      window.onresize = _.debounce(() => {
        this.initPage(); // debounce
      }, 400);

could you tell me what to do with the above warning? Is something wrong?

Vue.js webpack node.js npm

Apr.07,2021

that's warn, not error,. You can happily continue.

it is possible that you are using npm (foreign source)
rather than cnpm (domestic source)
because of network conditions and other reasons, warnings will inevitably appear, but not errors, and will not affect the normal use of

programmers only care about errors, do not care about warnings

WARN to indicate warnings, generally will not affect the use, so the relationship

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